/* ==========================================================================
   MK TECH - CUSTOM STYLESHEET
   Description: Premium, fully responsive styling sheet for the Arduino/IoT website.
   Features: Variable-based Dark/Light theme, glassmorphism, glowing micro-animations.
   ========================================================================== */

/* --------------------------------------------------------------------------
    1. DESIGN SYSTEM & ROOT VARIABLES
    -------------------------------------------------------------------------- */

/* Skip to main content link (accessibility) */
.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    background: var(--accent-cyan);
    color: #000;
    padding: 8px 16px;
    border-radius: 0 0 8px 8px;
    font-weight: 700;
    font-size: 0.9rem;
    z-index: 10000;
    text-decoration: none;
    transition: top 0.2s;
}
.skip-link:focus {
    top: 0;
}

:root {
    /* Fonts */
    --font-heading: 'Outfit', 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;

    /* Theme-specific tokens (Default Dark Mode) */
    --bg-primary: #060913;
    --bg-secondary: #0f1525;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-cyan: #00e5ff;
    --accent-blue: #2979ff;
    --accent-green: #00e676;
    
    --primary-gradient: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
    --gradient-glow: 0 0 25px rgba(0, 229, 255, 0.35);
    --border-color: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(15, 21, 37, 0.7);
    --shadow-color: rgba(0, 0, 0, 0.4);
    --toast-bg: #1e293b;
    --card-hover-border: rgba(0, 229, 255, 0.3);

    /* Layout Tokens */
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --transition-smooth: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-quick: all 0.15s ease;
    
    --container-max-width: 1200px;
}

/* Light Theme Variables Override */
.light-theme {
    --bg-primary: #f4f6fa;
    --bg-secondary: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #57657a;
    --accent-cyan: #0ea5e9;
    --accent-blue: #2563eb;
    --accent-green: #16a34a;
    
    --primary-gradient: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
    --gradient-glow: 0 10px 25px rgba(37, 99, 235, 0.2);
    --border-color: rgba(15, 23, 42, 0.08);
    --glass-bg: rgba(255, 255, 255, 0.75);
    --shadow-color: rgba(15, 23, 42, 0.08);
    --toast-bg: #ffffff;
    --card-hover-border: rgba(37, 99, 235, 0.3);
}

/* --------------------------------------------------------------------------
   2. GLOBAL RESET & BASE STYLES
   -------------------------------------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

img, svg {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-quick);
}

/* Scrollbar Style */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-secondary);
    border: 2px solid var(--bg-primary);
    border-radius: var(--border-radius-sm);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

/* --------------------------------------------------------------------------
   3. TYPOGRAPHY & GRADIENTS
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.highlight {
    color: var(--accent-cyan);
}

.text-center {
    text-align: center;
}

/* Section Standard Layouts */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    margin-bottom: 60px;
    max-width: 700px;
}

.section-header.text-center {
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   4. COMPONENT: BUTTONS
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--primary-gradient);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 229, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--gradient-glow);
}

.btn-secondary {
    background-color: var(--border-color);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-secondary);
    border-color: var(--accent-cyan);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    background-color: rgba(0, 229, 255, 0.03);
}

.btn-outline-primary {
    background-color: transparent;
    color: var(--accent-blue);
    border: 1.5px solid var(--accent-blue);
}

.btn-outline-primary:hover {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
    box-shadow: var(--gradient-glow);
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, #16a34a 0%, var(--accent-green) 100%);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.2);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 230, 118, 0.35);
}

.btn-block {
    width: 100%;
}

/* Badge component */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background-color: var(--border-color);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-cyan);
}

.badge-text {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-cyan);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   5. HEADER & NAVBAR
   -------------------------------------------------------------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    padding: 12px 0;
    box-shadow: 0 10px 30px var(--shadow-color);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.25rem;
    box-shadow: 0 4px 10px rgba(0, 229, 255, 0.2);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-item {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 8px 0;
}

.nav-item:hover, .nav-item.active {
    color: var(--text-primary);
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: var(--transition-smooth);
}

.nav-item:hover::after, .nav-item.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    background-color: var(--border-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition-smooth);
}

.theme-toggle:hover {
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 10px rgba(0, 229, 255, 0.15);
}

/* Mobile Hamburger Menu */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 26px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1010;
}

.hamburger-menu .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* --------------------------------------------------------------------------
   6. SECTION: HERO / HOME
   -------------------------------------------------------------------------- */
.hero-section {
    padding-top: 180px;
    padding-bottom: 120px;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 10% 20%, rgba(15, 21, 37, 0.3) 0%, rgba(6, 9, 19, 0.5) 90%);
}

.hero-glow-1 {
    position: absolute;
    top: 10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(41, 121, 255, 0.12) 0%, rgba(0,0,0,0) 70%);
    z-index: 0;
    pointer-events: none;
}

.hero-glow-2 {
    position: absolute;
    bottom: 10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.08) 0%, rgba(0,0,0,0) 70%);
    z-index: 0;
    pointer-events: none;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(rgba(255, 255, 255, 0.007) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, 0.007) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 650px;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 16px;
    letter-spacing: -1.5px;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--accent-cyan);
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 580px;
}

.hero-ctas {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Hero Circuit board Graphic */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.circuit-board-mock {
    width: 100%;
    max-width: 420px;
    height: 380px;
    background: radial-gradient(135deg, rgba(15, 21, 37, 0.8) 0%, rgba(10, 14, 26, 0.9) 100%);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--border-color);
    box-shadow: 0 25px 60px var(--shadow-color);
    position: relative;
    overflow: hidden;
    padding: 32px;
    transition: var(--transition-smooth);
}

.circuit-board-mock:hover {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 35px rgba(0, 229, 255, 0.15);
    transform: perspective(1000px) rotateY(-5deg) rotateX(3deg);
}

/* Hardware Boards Base & Container Styles */
.hardware-board {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius-md);
    padding: 24px;
    opacity: 0;
    transform: scale(0.9) rotateY(15deg);
    pointer-events: none;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
}

.hardware-board.active {
    opacity: 1;
    transform: scale(1) rotateY(0);
    pointer-events: auto;
}

/* Silkscreen text indicators */
.board-silk {
    font-family: 'Courier New', Courier, monospace;
    font-weight: 800;
    font-size: 0.75rem;
    letter-spacing: 1px;
    opacity: 0.35;
    position: absolute;
}

/* ==========================================================================
   BOARD STYLE: ARDUINO UNO (CLASSIC GREEN/TEAL HARDWARE)
   ========================================================================== */
.board-arduino {
    background: radial-gradient(135deg, #0f5257 0%, #0b3c40 100%);
    border: 1px solid rgba(0, 229, 255, 0.15);
}

.board-arduino .board-silk {
    color: #ffffff;
    top: 15px;
    left: 120px;
}

/* Metallic Sockets & Ports */
.usb-port {
    position: absolute;
    top: 15px;
    left: -5px;
    width: 55px;
    height: 40px;
    background: linear-gradient(to bottom, #94a3b8 0%, #cbd5e1 50%, #64748b 100%);
    border-radius: 3px;
    border: 1px solid #475569;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.usb-port::after {
    content: '';
    position: absolute;
    top: 8px;
    right: 0;
    width: 15px;
    height: 24px;
    background-color: #0f172a;
    border-radius: 2px;
}

.power-jack {
    position: absolute;
    bottom: 25px;
    left: -5px;
    width: 60px;
    height: 48px;
    background: linear-gradient(to bottom, #1e293b 0%, #334155 50%, #0f172a 100%);
    border-radius: 4px;
    border: 1.5px solid #1e293b;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.power-jack::after {
    content: '';
    position: absolute;
    top: 14px;
    left: 0;
    width: 16px;
    height: 20px;
    background-color: #000;
    border-radius: 2px;
}

/* Classic ATmega DIP chip in socket */
.atmega-chip {
    position: absolute;
    top: 50%;
    left: 55%;
    transform: translate(-50%, -50%);
    width: 180px;
    height: 42px;
    background-color: #1e293b;
    border: 2px solid #000;
    border-radius: 3px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.atmega-chip .chip-notch {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 14px;
    background-color: #0b3c40;
    border-radius: 0 8px 8px 0;
    border: 2px solid #000;
    border-left: none;
}

.atmega-chip .chip-text {
    font-family: var(--font-heading);
    font-size: 0.65rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.45);
    letter-spacing: 2px;
}

/* Metal Pins extending from ATmega */
.atmega-chip::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 15px;
    width: 150px;
    height: 8px;
    background-image: repeating-linear-gradient(90deg, #94a3b8, #94a3b8 2px, transparent 2px, transparent 10px);
}

.atmega-chip::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 15px;
    width: 150px;
    height: 8px;
    background-image: repeating-linear-gradient(90deg, #94a3b8, #94a3b8 2px, transparent 2px, transparent 10px);
}

/* Silver crystal oscillator */
.crystal-oscillator {
    position: absolute;
    top: 75px;
    left: 85px;
    width: 24px;
    height: 12px;
    background: linear-gradient(to bottom, #e2e8f0 0%, #cbd5e1 50%, #94a3b8 100%);
    border-radius: 100px;
    border: 1px solid #64748b;
    box-shadow: 0 2px 5px rgba(0,0,0,0.25);
}

/* Pin Headers */
.pin-headers {
    position: absolute;
    width: 220px;
    height: 15px;
    background-color: #1e293b;
    border: 1.5px solid #000;
    display: flex;
    gap: 4px;
    padding: 0 4px;
    align-items: center;
}

.headers-top {
    top: 15px;
    right: 25px;
}

.headers-bottom {
    bottom: 15px;
    right: 25px;
}

.pin-headers span {
    font-size: 0.5rem;
    color: #475569;
    font-weight: 800;
}

.pin-headers::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 6px;
    width: 208px;
    height: 11px;
    background-image: repeating-linear-gradient(90deg, #000, #000 6px, #00e5ff 6px, #00e5ff 10px);
}

/* LED Indicators */
.board-led {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    transition: var(--transition-quick);
}

.led-power {
    top: 30px;
    right: 30px;
}

.glowing-orange {
    background-color: #f97316;
    box-shadow: 0 0 10px #f97316, 0 0 20px #ea580c;
    animation: ledPulse 3s infinite ease-in-out;
}

.led-rx {
    bottom: 50px;
    right: 60px;
}

.led-tx {
    bottom: 50px;
    right: 45px;
}

/* Blinking RX/TX Keyframes */
@keyframes txRxPulse {
    0%, 100% { background-color: #1e293b; box-shadow: none; }
    5%, 15% { background-color: var(--accent-green); box-shadow: 0 0 10px var(--accent-green); }
    10% { background-color: #1e293b; box-shadow: none; }
}

.tx-pulse {
    animation: txRxPulse 1.8s infinite ease-in-out;
}

/* ==========================================================================
   BOARD STYLE: ESP32 DEVKIT V1 (MODERN MATTE BLACK)
   ========================================================================== */
.board-esp32 {
    background: radial-gradient(135deg, #181920 0%, #0e0f12 100%);
    border: 1px solid rgba(41, 121, 255, 0.25);
}

.board-esp32 .board-silk {
    color: #ffd700; /* Gold screen print */
    bottom: 30px;
    left: 90px;
}

.micro-usb {
    position: absolute;
    top: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 15px;
    background: linear-gradient(to bottom, #cbd5e1 0%, #64748b 100%);
    border-radius: 1px;
    border: 1px solid #334155;
    box-shadow: 0 3px 8px rgba(0,0,0,0.4);
}

/* WROOM Module Shield & Wi-Fi wave pulse */
.wroom-module {
    position: absolute;
    top: 25%;
    left: 50%;
    transform: translate(-50%, -20%);
    width: 95px;
    height: 120px;
    background: linear-gradient(135deg, #e2e8f0 0%, #94a3b8 100%);
    border: 2px solid #cbd5e1;
    border-radius: 4px;
    box-shadow: 0 6px 15px rgba(0,0,0,0.5);
    z-index: 10;
}

.wroom-module .metal-shield {
    position: absolute;
    top: 40px;
    left: 10px;
    width: 71px;
    height: 70px;
    background-color: #cbd5e1;
    border: 1px solid #64748b;
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 800;
    color: #334155;
    letter-spacing: 1px;
    box-shadow: inset 0 0 5px rgba(0,0,0,0.15);
}

/* Black PCB Antenna zone */
.pcb-antenna {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 32px;
    background-color: #000;
    border-bottom: 2px solid #e2e8f0;
    position: relative;
    overflow: hidden;
}

.antenna-trace {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 71px;
    height: 12px;
    background-image: repeating-linear-gradient(90deg, #d97706, #d97706 4px, transparent 4px, transparent 8px);
}

/* Wireless Radio Propagation Animation */
.wifi-wave {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 1.5px solid var(--accent-cyan);
    border-radius: 50%;
    opacity: 0;
    pointer-events: none;
    z-index: 5;
}

.wave-1 { width: 100px; height: 100px; animation: wifiPulse 2.5s infinite linear; }
.wave-2 { width: 150px; height: 150px; animation: wifiPulse 2.5s infinite linear 0.8s; }
.wave-3 { width: 200px; height: 200px; animation: wifiPulse 2.5s infinite linear 1.6s; }

@keyframes wifiPulse {
    0% { transform: translate(-50%, -50%) scale(0.3); opacity: 0; }
    30% { opacity: 0.8; }
    100% { transform: translate(-50%, -50%) scale(1.2); opacity: 0; box-shadow: 0 0 15px rgba(0,229,255,0.4); }
}

/* ESP Buttons */
.button-boot, .button-en {
    position: absolute;
    top: 25px;
    width: 22px;
    height: 15px;
    background-color: #334155;
    border: 1px solid #475569;
    border-radius: 2px;
    color: #94a3b8;
    font-size: 0.45rem;
    font-weight: 800;
    text-align: center;
    line-height: 13px;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.button-boot { right: 40px; }
.button-en { left: 40px; }

/* ESP Header pin rails */
.pin-headers-esp {
    position: absolute;
    top: 15px;
    width: 16px;
    height: 295px;
    background-color: #000;
    border: 1px solid rgba(255,255,255,0.05);
}

.pin-headers-esp::after {
    content: '';
    position: absolute;
    top: 5px;
    left: 3px;
    width: 10px;
    height: 285px;
    background-image: repeating-linear-gradient(0deg, #d97706, #d97706 4px, #000 4px, #000 10px);
}

.headers-left { left: 15px; }
.headers-right { right: 15px; }

.led-esp-power {
    bottom: 50px;
    left: 45px;
}

.glowing-red {
    background-color: #ef4444;
    box-shadow: 0 0 8px #ef4444, 0 0 15px #dc2626;
    animation: ledPulse 2s infinite ease-in-out;
}

.led-esp-blue {
    bottom: 50px;
    right: 45px;
}

.blinking-blue {
    animation: blueBlink 0.5s infinite linear;
}

@keyframes blueBlink {
    0%, 100% { background-color: #1e293b; box-shadow: none; }
    50% { background-color: var(--accent-cyan); box-shadow: 0 0 10px var(--accent-cyan), 0 0 15px var(--accent-blue); }
}

@keyframes ledPulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* --------------------------------------------------------------------------
   7. SECTION: SERVICES
   -------------------------------------------------------------------------- */
.services-section {
    background-color: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.service-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 36px var(--border-radius-lg);
    border-radius: var(--border-radius-md);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: var(--card-hover-border);
    box-shadow: 0 15px 35px var(--shadow-color);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 54px;
    height: 54px;
    background-color: rgba(41, 121, 255, 0.08);
    border: 1.5px solid rgba(41, 121, 255, 0.15);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent-cyan);
    margin-bottom: 24px;
    transition: var(--transition-smooth);
}

.service-card:hover .service-icon {
    background: var(--primary-gradient);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 229, 255, 0.2);
    border-color: transparent;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   8. SECTION: PROJECTS GALLERY (with SEARCH & FILTERS)
   -------------------------------------------------------------------------- */
.projects-header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 32px;
    margin-bottom: 60px;
}

.projects-header-wrapper .section-header {
    margin-bottom: 0;
}

.gallery-controls {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: flex-end;
}

.search-box {
    position: relative;
    width: 320px;
    transition: var(--transition-smooth);
}

/* Smooth expansion on focus for desktop screens */
@media (min-width: 769px) {
    .search-box:focus-within {
        width: 380px;
    }
}

.search-icon {
    position: absolute;
    top: 50%;
    left: 16px;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    pointer-events: none;
    z-index: 5;
}

.search-box:focus-within .search-icon {
    color: var(--accent-cyan);
    text-shadow: 0 0 8px rgba(0, 229, 255, 0.5);
}

.search-box input {
    width: 100%;
    padding: 12px 16px 12px 48px;
    background-color: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1.5px solid var(--border-color);
    border-radius: 100px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-smooth);
}

.search-box input:hover {
    border-color: rgba(0, 229, 255, 0.3);
}

.search-box input:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.25), inset 0 0 10px rgba(0, 229, 255, 0.05);
    background-color: var(--bg-primary);
}

.filter-pills {
    display: flex;
    gap: 10px;
}

.pill {
    padding: 8px 18px;
    border-radius: 100px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-quick);
}

.pill:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.pill.active {
    background: var(--primary-gradient);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 10px rgba(0, 229, 255, 0.15);
}

/* Project Cards Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 32px;
    min-height: 250px;
}

.loader-placeholder {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--text-secondary);
    font-size: 1.25rem;
    padding: 80px 0;
}

.loader-placeholder i {
    font-size: 2.5rem;
    color: var(--accent-cyan);
}

/* Single Project Card */
.project-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--card-hover-border);
    box-shadow: 0 20px 40px var(--shadow-color);
}

.project-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 60%; /* 5:3 Aspect Ratio */
    background-color: var(--bg-primary);
    overflow: hidden;
}

.project-image-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.project-card:hover .project-image-wrapper img {
    transform: scale(1.08);
}

.project-category-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 4px 12px;
    background-color: rgba(6, 9, 19, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--accent-cyan);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.75rem;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-info {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.project-tag {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    background-color: var(--border-color);
    padding: 2px 8px;
    border-radius: 4px;
}

.project-card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.project-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}

.inquiry-btn {
    padding: 8px 16px;
    font-size: 0.85rem;
}

/* --------------------------------------------------------------------------
   9. SECTION: PRICING
   -------------------------------------------------------------------------- */
.pricing-section {
    background-color: var(--bg-primary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
    align-items: stretch;
}

.pricing-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 40px 32px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: var(--transition-smooth);
    overflow: hidden;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--shadow-color);
    border-color: var(--border-color);
}

.pricing-card.featured {
    border: 2px solid var(--accent-blue);
    box-shadow: 0 10px 30px rgba(41, 121, 255, 0.15);
    background-color: rgba(15, 21, 37, 0.95);
    transform: scale(1.03);
}

.pricing-card.featured:hover {
    box-shadow: 0 15px 45px rgba(0, 229, 255, 0.25);
    border-color: var(--accent-cyan);
}

.pricing-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: var(--border-color);
    color: var(--text-secondary);
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: var(--font-heading);
    text-transform: uppercase;
}

.featured-badge {
    background: var(--primary-gradient);
    color: #ffffff;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.price-container {
    display: flex;
    align-items: baseline;
    margin-bottom: 20px;
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-cyan);
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    font-family: var(--font-heading);
    color: var(--text-primary);
    line-height: 1;
}

.price-duration {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-left: 4px;
}

.tier-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    min-height: 45px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 36px;
    flex-grow: 1;
}

.pricing-features li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features li:hover {
    color: var(--text-primary);
}

.feature-check {
    color: var(--accent-cyan);
    font-size: 0.85rem;
}

.pricing-card.featured .feature-check {
    color: var(--accent-green);
}

.pricing-btn {
    margin-top: auto;
}

.custom-tier .price-amount {
    font-size: 2.25rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --------------------------------------------------------------------------
   10. SECTION: ABOUT & TESTIMONIALS
   -------------------------------------------------------------------------- */
.about-testimonials-section {
    background-color: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.grid-two-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.about-column {
    display: flex;
    flex-direction: column;
}

.about-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.about-stats {
    display: flex;
    gap: 32px;
    margin-top: 16px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-cyan);
    font-family: var(--font-heading);
}

.stat-lbl {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Testimonials Slide component */
.testimonials-column {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 48px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 15px 45px var(--shadow-color);
}

.testimonial-slider {
    position: relative;
    min-height: 220px;
    margin-top: 24px;
}

.testimonial-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transform: translateX(30px);
    transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.testimonial-slide.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    position: relative;
}

.quote-icon {
    font-size: 2rem;
    color: var(--border-color);
    margin-bottom: 16px;
}

.testimonial-content {
    font-size: 1.05rem;
    color: var(--text-primary);
    font-style: italic;
    margin-bottom: 24px;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    font-size: 1.25rem;
}

.author-info h4 {
    font-size: 1rem;
    color: var(--text-primary);
}

.author-info span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.slider-dots {
    display: flex;
    gap: 8px;
    margin-top: 32px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--border-color);
    cursor: pointer;
    transition: var(--transition-quick);
}

.dot:hover {
    background-color: var(--text-secondary);
}

.dot.active {
    background-color: var(--accent-cyan);
    box-shadow: 0 0 8px var(--accent-cyan);
}

/* --------------------------------------------------------------------------
   11. SECTION: CONTACT & FORM
   -------------------------------------------------------------------------- */
.contact-section {
    background-color: var(--bg-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: center;
}

.contact-info-panel {
    display: flex;
    flex-direction: column;
}

.contact-intro {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.detail-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    background-color: rgba(41, 121, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    font-size: 1.25rem;
    border: 1px solid rgba(41, 121, 255, 0.15);
}

.detail-text h4 {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.detail-text p {
    font-size: 1.05rem;
    color: var(--text-primary);
}

/* Form Styles */
.contact-form-panel {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 48px;
    box-shadow: 0 20px 50px var(--shadow-color);
}

.interactive-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.required {
    color: var(--accent-cyan);
}

.interactive-form input,
.interactive-form select,
.interactive-form textarea {
    padding: 14px 18px;
    background-color: var(--bg-primary);
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-smooth);
    width: 100%;
}

.interactive-form input::placeholder,
.interactive-form textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.5;
}

.interactive-form input:focus,
.interactive-form select:focus,
.interactive-form textarea:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.12);
}

.interactive-form select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 18px center;
    background-size: 16px;
    padding-right: 48px;
}

/* --------------------------------------------------------------------------
   12. FOOTER
   -------------------------------------------------------------------------- */
.footer {
    background-color: #03060c;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    padding-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand .logo-area {
    margin-bottom: 20px;
}

.brand-desc {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition-quick);
}

.social-icon:hover {
    color: #ffffff;
    transform: translateY(-2px);
}

.social-icon.whatsapp:hover { background-color: #25d366; border-color: #25d366; }
.social-icon.instagram:hover { background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%,#d6249f 60%,#285aec 90%); border-color: transparent; }
.social-icon.youtube:hover { background-color: #ff0000; border-color: #ff0000; }
.social-icon.email:hover { background-color: var(--accent-cyan); border-color: var(--accent-cyan); }

.footer h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 24px;
    font-family: var(--font-heading);
    letter-spacing: 0.5px;
}

.footer-links ul,
.footer-services-list ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a,
.footer-services-list a {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer-links a:hover,
.footer-services-list a:hover {
    color: var(--accent-cyan);
    padding-left: 4px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.9rem;
}

.footer-contact p {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.footer-contact p i {
    color: var(--accent-cyan);
    margin-top: 4px;
}

.work-hours {
    margin-top: 8px;
    border-top: 1px dashed var(--border-color);
    padding-top: 12px;
}

.footer-bottom {
    background-color: #010306;
    padding: 24px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    font-size: 0.85rem;
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.footer-legal .admin-link {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

.footer-legal .admin-link:hover {
    color: var(--accent-cyan);
}

/* --------------------------------------------------------------------------
   13. MODALS (INQUIRY & ADMIN)
   -------------------------------------------------------------------------- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(3, 6, 12, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    padding: 24px;
    overflow-y: auto;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 600px;
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    transform: scale(0.92) translateY(20px);
    transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-overlay.active .modal-container {
    transform: scale(1) translateY(0);
}

.modal-small {
    max-width: 440px;
}

.modal-large {
    max-width: 960px;
}

.modal-header {
    padding: 24px 32px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.5rem;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition-quick);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 32px;
    overflow-y: auto;
}

/* Inquiry form styles */
.inquiry-subtitle {
    margin-bottom: 24px;
    font-size: 1rem;
    color: var(--text-secondary);
}

.inquiry-options-container {
    margin-top: 10px;
    border-top: 1px dashed var(--border-color);
    padding-top: 20px;
}

.inquiry-opt-lbl {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.inquiry-channels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.channel-btn {
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    padding: 10px 16px;
    font-size: 0.9rem;
    opacity: 0.7;
}

.channel-btn.active {
    opacity: 1;
    border-color: transparent;
}

.channel-btn#channel-whatsapp.active {
    background: linear-gradient(135deg, #128c7e 0%, #25d366 100%);
    color: white;
}

.channel-btn#channel-email.active {
    background: var(--primary-gradient);
    color: white;
}

/* Admin Dashboard layout */
.admin-dashboard-body {
    padding: 0;
    max-height: calc(90vh - 80px);
}

.admin-layout-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    height: 100%;
}

.admin-form-panel {
    padding: 32px;
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    max-height: calc(90vh - 80px);
}

.admin-list-panel {
    padding: 32px;
    background-color: rgba(3, 6, 12, 0.2);
    overflow-y: auto;
    max-height: calc(90vh - 80px);
    display: flex;
    flex-direction: column;
}

.admin-panel-title {
    font-size: 1.15rem;
    margin-bottom: 24px;
    border-bottom: 1.5px solid var(--border-color);
    padding-bottom: 12px;
    color: var(--text-primary);
}

.field-hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: -4px;
}

.auth-hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 6px;
}

.code-box {
    background-color: var(--border-color);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
    color: var(--accent-cyan);
}

.error-msg {
    color: #ef4444;
    font-size: 0.85rem;
    margin-top: 8px;
    display: none;
}

/* Admin image upload widget */
.image-upload-wrapper {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.file-input-hidden {
    display: none;
}

.image-upload-dropzone {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 24px;
    text-align: center;
    background-color: var(--bg-primary);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.image-upload-dropzone:hover, .image-upload-dropzone.dragover {
    border-color: var(--accent-cyan);
    background-color: rgba(0, 229, 255, 0.02);
}

.upload-icon {
    font-size: 2rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.dropzone-text {
    font-size: 0.9rem;
    font-weight: 600;
}

.dropzone-hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.image-upload-preview {
    display: none;
    position: relative;
    width: 120px;
    height: 80px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.image-upload-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.remove-preview-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: rgba(239, 68, 68, 0.9);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    transition: var(--transition-quick);
}

.remove-preview-btn:hover {
    background-color: #ef4444;
    transform: scale(1.1);
}

.fallback-url-container {
    margin-top: 4px;
}

.fallback-url-container label {
    font-size: 0.75rem;
    margin-bottom: 4px;
}

.admin-form-actions {
    display: flex;
    gap: 12px;
    margin-top: 12px;
}

/* Toggle Switch for Show on Homepage */
.toggle-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}
.toggle-label input[type="checkbox"] {
    display: none;
}
.toggle-slider {
    position: relative;
    width: 44px;
    height: 24px;
    background-color: var(--border-color);
    border-radius: 12px;
    transition: background-color 0.3s;
    flex-shrink: 0;
}
.toggle-slider::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    background-color: #fff;
    border-radius: 50%;
    transition: transform 0.3s;
}
.toggle-label input:checked + .toggle-slider {
    background-color: var(--accent-cyan, #00b8d4);
}
.toggle-label input:checked + .toggle-slider::after {
    transform: translateX(20px);
}
.toggle-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Quick toggle in admin list cards */
.admin-item-toggle {
    flex-shrink: 0;
}
.admin-item-toggle .toggle-label {
    gap: 6px;
}
.admin-item-toggle .toggle-slider {
    width: 36px;
    height: 20px;
}
.admin-item-toggle .toggle-slider::after {
    width: 14px;
    height: 14px;
    top: 3px;
    left: 3px;
}
.admin-item-toggle .toggle-label input:checked + .toggle-slider::after {
    transform: translateX(16px);
}
.admin-item-toggle .toggle-text {
    font-size: 0.7rem;
}

/* Inventory List cards */
.admin-projects-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex-grow: 1;
}

.admin-item-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 12px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-quick);
}

.admin-item-card:hover {
    border-color: var(--accent-cyan);
}

.admin-item-thumb {
    width: 60px;
    height: 45px;
    border-radius: 4px;
    overflow: hidden;
    background-color: var(--bg-secondary);
}

.admin-item-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.admin-item-details {
    flex-grow: 1;
}

.admin-item-details h5 {
    font-size: 0.9rem;
    margin-bottom: 2px;
}

.admin-item-details span {
    font-size: 0.75rem;
    color: var(--accent-cyan);
    font-weight: 600;
}

.admin-item-actions {
    display: flex;
    gap: 6px;
}

.action-icon-btn {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-quick);
}

.action-icon-btn:hover {
    color: var(--text-primary);
}

.action-icon-btn.edit-btn:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.action-icon-btn.delete-btn:hover {
    border-color: #ef4444;
    color: #ef4444;
}

/* --------------------------------------------------------------------------
   14. FLOATING ACTION WIDGETS
   -------------------------------------------------------------------------- */
.whatsapp-floating {
    position: fixed;
    bottom: 32px;
    right: 32px;
    background: linear-gradient(135deg, #128c7e 0%, #25d366 100%);
    color: #ffffff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
    z-index: 999;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.whatsapp-floating:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-badge {
    position: absolute;
    right: 70px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: var(--transition-smooth);
    box-shadow: 0 5px 15px var(--shadow-color);
}

.whatsapp-floating:hover .whatsapp-badge {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* Toast Notifications styling */
.toast-container {
    position: fixed;
    bottom: 32px;
    left: 32px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none;
}

.toast {
    background-color: var(--toast-bg);
    border-left: 4px solid var(--accent-cyan);
    color: var(--text-primary);
    padding: 16px 24px;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 10px 30px var(--shadow-color);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    min-width: 280px;
    transform: translateX(-40px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    pointer-events: auto;
    border-top: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast i {
    font-size: 1.15rem;
}

.toast.success { border-left-color: var(--accent-green); }
.toast.success i { color: var(--accent-green); }

.toast.info { border-left-color: var(--accent-blue); }
.toast.info i { color: var(--accent-blue); }

.toast.error { border-left-color: #ef4444; }
.toast.error i { color: #ef4444; }

/* --------------------------------------------------------------------------
   15. RESPONSIVE MEDIA QUERIES
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
    section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 2.25rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-container {
        gap: 32px;
    }
    
    .grid-two-columns {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .footer-grid {
        grid-template-columns: 1.2fr 0.8fr 1fr;
        gap: 36px;
    }
    
    .footer-contact {
        grid-column: 1 / -1;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-between;
        padding-top: 24px;
        border-top: 1px dashed var(--border-color);
    }
}

@media (max-width: 768px) {
    .hide-mobile {
        display: none;
    }
    
    /* Hamburger & Collapse navigation */
    .hamburger-menu {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-primary);
        border-top: 1px solid var(--border-color);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 40px;
        z-index: 999;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s ease-in-out;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .hamburger-menu.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger-menu.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger-menu.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .nav-item {
        font-size: 1.25rem;
    }
    
    /* Hero layout stack */
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .projects-header-wrapper {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .gallery-controls {
        align-items: center;
        width: 100%;
    }
    
    .search-box {
        width: 100%;
        max-width: 450px;
    }
    
    .filter-pills {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 8px;
        justify-content: flex-start;
        -webkit-overflow-scrolling: touch;
    }
    
    .pill {
        white-space: nowrap;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .contact-form-panel {
        padding: 32px 24px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-contact {
        flex-direction: column;
    }
    
    /* Admin Modal Layout responsive collapsing */
    .admin-layout-grid {
        grid-template-columns: 1fr;
        overflow-y: auto;
    }
    
    .admin-form-panel {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        max-height: none;
    }
    
    .admin-list-panel {
        max-height: none;
    }

    /* Stacking form grids & inquiry buttons on all mobile/tablet viewports */
    .form-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .inquiry-channels {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.85rem;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-ctas .btn {
        width: 100%;
    }
    
    .whatsapp-floating {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.6rem;
    }
    
    .whatsapp-badge {
        display: none; /* Hide badge on tiny screens */
    }
    
    .footer-bottom-container {
        flex-direction: column;
        text-align: center;
    }
}

/* --------------------------------------------------------------------------
   16. EXTRA UTILITIES: ADMIN TAB SYSTEMS
   -------------------------------------------------------------------------- */
.admin-tab-btn {
    transition: var(--transition-quick) !important;
}

.admin-tab-btn:hover {
    color: var(--text-primary) !important;
    text-shadow: 0 0 10px rgba(0, 229, 255, 0.2);
}

.admin-tab-btn.active {
    color: var(--text-primary) !important;
    border-color: var(--accent-cyan) !important;
}

/* --------------------------------------------------------------------------
   17. MOBILE & PHONE PORTRAIT PREMIUM UX OVERRIDES
   -------------------------------------------------------------------------- */

/* Prevent circuit board graphical overflow on narrow screens */
@media (max-width: 450px) {
    .circuit-board-mock {
        transform: scale(0.85);
        transform-origin: center center;
        margin: -20px auto !important;
    }
}

@media (max-width: 380px) {
    .circuit-board-mock {
        transform: scale(0.72);
        transform-origin: center center;
        margin: -40px auto !important;
    }
}

/* Clean Header spacing & Customer Portal Button compact style for mobile */
@media (max-width: 576px) {
    #btn-customer-portal span {
        display: none !important;
    }
    #btn-customer-portal {
        padding: 0 !important;
        width: 40px !important;
        height: 40px !important;
        justify-content: center !important;
        border-radius: var(--border-radius-sm) !important;
    }
    
    /* Optimize general modal layouts on mobile screens */
    .modal-overlay {
        padding: 12px !important;
    }
    .modal-container {
        max-height: 95vh !important;
        border-radius: var(--border-radius-md) !important;
    }
    .modal-header {
        padding: 16px 20px !important;
    }
    .modal-body {
        padding: 20px !important;
    }
    
    /* Stack channel choices for forms on very small screens */
    .inquiry-channels {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }
}

/* Premium active/inactive states for modal channel select buttons */
.channel-btn {
    background: var(--bg-primary) !important;
    color: var(--text-secondary) !important;
    border: 1.5px solid var(--border-color) !important;
    box-shadow: none !important;
    transform: none !important;
    opacity: 0.65;
    transition: var(--transition-smooth) !important;
}

.channel-btn:hover {
    opacity: 0.9;
    border-color: var(--text-secondary) !important;
    color: var(--text-primary) !important;
}

.channel-btn#channel-whatsapp.active,
.channel-btn#store-channel-whatsapp.active {
    background: linear-gradient(135deg, #128c7e 0%, #25d366 100%) !important;
    color: white !important;
    border-color: transparent !important;
    opacity: 1;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.2) !important;
}

.channel-btn#channel-email.active,
.channel-btn#store-channel-email.active {
    background: var(--primary-gradient) !important;
    color: white !important;
    border-color: transparent !important;
    opacity: 1;
    box-shadow: var(--gradient-glow) !important;
}