/* ============================================
   SUDEN OTO - Premium Heavy Vehicle Parts & Service
   Complete Design System
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap');

/* ============================================
   1. CSS RESET / NORMALIZE
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: #ffffff;
    background-color: var(--primary-dark);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul, ol {
    list-style: none;
}

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}

button {
    cursor: pointer;
}

/* ============================================
   2. ROOT VARIABLES
   ============================================ */
:root {
    /* Colors */
    --primary-dark: #0a1628;
    --secondary-navy: #1a2a4a;
    --teal: #00bfa6;
    --orange: #ff6b00;
    --white: #ffffff;
    --light-gray: #f0f2f5;
    --dark-gray: #2d3748;
    --text-muted: #8892a4;
    --border-color: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(26, 42, 74, 0.6);
    --overlay-dark: rgba(10, 22, 40, 0.85);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--teal), var(--orange));
    --gradient-dark: linear-gradient(180deg, var(--primary-dark) 0%, var(--secondary-navy) 100%);
    --gradient-hero: linear-gradient(180deg, rgba(10, 22, 40, 0.9) 0%, rgba(10, 22, 40, 0.6) 50%, rgba(10, 22, 40, 0.95) 100%);

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Font Sizes */
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-md: 1.125rem;
    --fs-lg: 1.25rem;
    --fs-xl: 1.5rem;
    --fs-2xl: 2rem;
    --fs-3xl: 2.5rem;
    --fs-4xl: 3.5rem;
    --fs-5xl: 4.5rem;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 50%;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.5);
    --shadow-teal: 0 4px 20px rgba(0, 191, 166, 0.3);
    --shadow-orange: 0 4px 20px rgba(255, 107, 0, 0.3);
    --shadow-neon: 0 0 10px rgba(0, 191, 166, 0.5), 0 0 20px rgba(0, 191, 166, 0.2);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;

    /* Header */
    --header-height: 80px;
}

/* ============================================
   3. TYPOGRAPHY SYSTEM
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--white);
}

h1 {
    font-size: var(--fs-4xl);
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: var(--fs-3xl);
    font-weight: 700;
}

h3 {
    font-size: var(--fs-2xl);
    font-weight: 700;
}

h4 {
    font-size: var(--fs-xl);
    font-weight: 600;
}

h5 {
    font-size: var(--fs-lg);
    font-weight: 600;
}

h6 {
    font-size: var(--fs-md);
    font-weight: 600;
}

p {
    font-size: var(--fs-base);
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.lead {
    font-size: var(--fs-lg);
    font-weight: 400;
    color: var(--text-muted);
}

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

.text-teal { color: var(--teal); }
.text-orange { color: var(--orange); }
.text-white { color: var(--white); }
.text-muted { color: var(--text-muted); }

/* ============================================
   4. LAYOUT UTILITIES
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--space-5xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-4xl);
}

.section-header h2 {
    margin-bottom: var(--space-md);
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
}

.section-subtitle {
    display: inline-block;
    font-size: var(--fs-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--teal);
    margin-bottom: var(--space-sm);
    position: relative;
    padding-left: 2rem;
}

.section-subtitle::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 1.2rem;
    height: 2px;
    background: var(--orange);
    transform: translateY(-50%);
}

/* Orange line decorative element */
.orange-line {
    width: 60px;
    height: 3px;
    background: var(--orange);
    margin: var(--space-md) auto;
    border-radius: 2px;
    box-shadow: var(--shadow-orange);
}

/* ============================================
   5. NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: background-color var(--transition-base), box-shadow var(--transition-base);
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.header.scrolled {
    background: rgba(10, 22, 40, 0.98);
    box-shadow: var(--shadow-lg);
    border-bottom-color: rgba(0, 191, 166, 0.1);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-size: var(--fs-xl);
    font-weight: 800;
    color: var(--white);
}

.logo img {
    height: 45px;
    width: auto;
}

.logo span {
    color: var(--teal);
}

/* Main Navigation */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--white);
    padding: var(--space-sm) 0;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color var(--transition-base);
}

.nav-menu > li > a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--orange);
    transition: width var(--transition-base);
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
    color: var(--teal);
}

.nav-menu > li > a:hover::after,
.nav-menu > li > a.active::after {
    width: 100%;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-toggle::after {
    content: '▾';
    margin-left: 0.3rem;
    font-size: 0.7em;
    transition: transform var(--transition-base);
}

.dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: -1rem;
    min-width: 240px;
    background: var(--secondary-navy);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-xl);
    z-index: 100;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--fs-sm);
    color: var(--text-muted);
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.dropdown-menu li a:hover {
    color: var(--white);
    background: rgba(0, 191, 166, 0.05);
    border-left-color: var(--orange);
    padding-left: calc(var(--space-lg) + 0.3rem);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    padding: var(--space-sm);
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Header CTA */
.header-cta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.header-phone {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--teal);
}

.header-phone i {
    color: var(--orange);
}

/* ============================================
   6. HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-dark);
    overflow: hidden;
    padding-top: var(--header-height);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: 2;
}

/* 3D Depth / Fog Effect */
.hero::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40%;
    background: linear-gradient(to top, var(--primary-dark) 0%, transparent 100%);
    z-index: 3;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0, 191, 166, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(255, 107, 0, 0.03) 0%, transparent 50%);
    z-index: 3;
    pointer-events: none;
}

/* Metallic grid lines for 3D atmosphere */
.hero-grid {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60%;
    background-image:
        linear-gradient(rgba(0, 191, 166, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 191, 166, 0.05) 1px, transparent 1px);
    background-size: 80px 80px;
    transform: perspective(500px) rotateX(60deg);
    transform-origin: bottom;
    z-index: 2;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    padding: var(--space-2xl);
}

.hero-content h1 {
    font-size: var(--fs-5xl);
    margin-bottom: var(--space-lg);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.hero-content p {
    font-size: var(--fs-lg);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-2xl);
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Decorative neon lines */
.neon-line-left {
    position: absolute;
    left: 5%;
    top: 30%;
    width: 2px;
    height: 200px;
    background: linear-gradient(to bottom, transparent, var(--teal), transparent);
    opacity: 0.4;
    z-index: 4;
}

.neon-line-right {
    position: absolute;
    right: 5%;
    top: 40%;
    width: 2px;
    height: 150px;
    background: linear-gradient(to bottom, transparent, var(--orange), transparent);
    opacity: 0.4;
    z-index: 4;
}

/* ============================================
   7. BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.85rem 2rem;
    font-family: var(--font-heading);
    font-size: var(--fs-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--orange);
    color: var(--white);
    box-shadow: var(--shadow-orange);
}

.btn-primary:hover {
    background: #e05e00;
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(255, 107, 0, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--teal);
}

.btn-secondary:hover {
    background: var(--teal);
    color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-teal);
}

.btn-teal {
    background: var(--teal);
    color: var(--primary-dark);
    font-weight: 700;
}

.btn-teal:hover {
    background: #00a892;
    transform: translateY(-2px);
    box-shadow: var(--shadow-teal);
}

.btn-whatsapp {
    background: #25d366;
    color: var(--white);
}

.btn-whatsapp:hover {
    background: #1fb855;
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}

.btn-call {
    background: var(--orange);
    color: var(--white);
}

.btn-call:hover {
    background: #e05e00;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
}

.btn-outline:hover {
    border-color: var(--teal);
    color: var(--teal);
}

.btn-lg {
    padding: 1.1rem 2.5rem;
    font-size: var(--fs-base);
}

.btn-sm {
    padding: 0.6rem 1.2rem;
    font-size: var(--fs-xs);
}

.btn-block {
    display: flex;
    width: 100%;
    justify-content: center;
    margin-bottom: var(--space-sm);
}

/* Contact CTA buttons */
.contact-cta-buttons {
    margin-top: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

/* Contact info card styling */
.contact-info-card h3,
.contact-form h3 {
    font-size: var(--fs-xl);
    margin-bottom: var(--space-xl);
    color: var(--white);
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--border-color);
}

.contact-info-item:last-of-type {
    border-bottom: none;
}

.contact-info-item i {
    color: var(--orange);
    font-size: var(--fs-lg);
    min-width: 20px;
    margin-top: 3px;
}

.contact-info-item strong {
    display: block;
    color: var(--white);
    font-size: var(--fs-sm);
    margin-bottom: 4px;
}

.contact-info-item a,
.contact-info-item span {
    color: var(--text-muted);
    font-size: var(--fs-sm);
}

.contact-info-item a:hover {
    color: var(--teal);
}

/* Form control for iletisim page */
.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 0.85rem var(--space-lg);
    background: var(--primary-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: var(--fs-base);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    font-family: var(--font-body);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(0, 191, 166, 0.1);
    outline: none;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--text-muted);
}

.contact-form select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238892a4' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.contact-form textarea {
    min-height: 140px;
    resize: vertical;
}

.contact-form .form-group {
    margin-bottom: var(--space-lg);
}

.contact-form .form-group label {
    display: block;
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--white);
    margin-bottom: var(--space-sm);
}

/* ============================================
   8. SERVICE CARDS
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.service-card {
    position: relative;
    background: var(--secondary-navy);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    overflow: hidden;
}

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

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

.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 191, 166, 0.2);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 191, 166, 0.05);
}

.service-card-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 191, 166, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    font-size: var(--fs-xl);
    color: var(--teal);
    transition: all var(--transition-base);
}

.service-card:hover .service-card-icon {
    background: var(--teal);
    color: var(--primary-dark);
    box-shadow: var(--shadow-neon);
}

.service-card h4 {
    margin-bottom: var(--space-sm);
    transition: color var(--transition-base);
}

.service-card:hover h4 {
    color: var(--teal);
}

.service-card p {
    font-size: var(--fs-sm);
    margin-bottom: var(--space-lg);
}

.service-card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--orange);
    transition: gap var(--transition-base);
}

.service-card-link:hover {
    gap: var(--space-md);
}

/* ============================================
   9. BREADCRUMB
   ============================================ */
.breadcrumb-section {
    padding: calc(var(--header-height) + var(--space-2xl)) 0 var(--space-2xl);
    background: var(--secondary-navy);
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.breadcrumb li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--fs-sm);
    color: var(--text-muted);
}

.breadcrumb li a {
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.breadcrumb li a:hover {
    color: var(--teal);
}

.breadcrumb li.active {
    color: var(--white);
}

.breadcrumb li + li::before {
    content: '›';
    color: var(--orange);
    font-size: var(--fs-md);
    margin-right: var(--space-xs);
}

/* ============================================
   10. CTA SECTION
   ============================================ */
.cta-section {
    background: var(--secondary-navy);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 107, 0, 0.05) 0%, transparent 70%);
    border-radius: var(--radius-full);
}

.cta-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

.cta-buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ============================================
   11. FOOTER
   ============================================ */
.footer {
    background: var(--primary-dark);
    border-top: 1px solid var(--border-color);
    padding-top: var(--space-4xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-3xl);
    padding-bottom: var(--space-3xl);
    border-bottom: 1px solid var(--border-color);
}

.footer-brand p {
    margin-top: var(--space-md);
    font-size: var(--fs-sm);
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: var(--fs-base);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--space-lg);
    position: relative;
    padding-bottom: var(--space-sm);
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--orange);
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links li a {
    font-size: var(--fs-sm);
    color: var(--text-muted);
    transition: all var(--transition-fast);
    padding-left: 0;
}

.footer-links li a:hover {
    color: var(--teal);
    padding-left: var(--space-sm);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    font-size: var(--fs-sm);
    color: var(--text-muted);
}

.footer-contact li i {
    color: var(--orange);
    margin-top: 3px;
    min-width: 16px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) 0;
    font-size: var(--fs-xs);
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: var(--fs-sm);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    border-color: var(--teal);
    color: var(--teal);
    box-shadow: var(--shadow-neon);
}

/* ============================================
   12. GALLERY GRID
   ============================================ */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-md);
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 22, 40, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
}

.gallery-item-overlay i {
    font-size: var(--fs-2xl);
    color: var(--white);
}

/* Gallery large item spanning 2 columns */
.gallery-item.large {
    grid-column: span 2;
}

/* Gallery placeholder items (when no images available) */
.gallery-item:not(:has(img)) {
    background: linear-gradient(135deg, var(--secondary-navy), var(--primary-dark));
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    transition: all var(--transition-base);
}

.gallery-item:not(:has(img)):hover {
    border-color: rgba(0, 191, 166, 0.3);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.gallery-item:not(:has(img)) i {
    font-size: 3rem;
    color: var(--teal);
    transition: color var(--transition-base);
}

.gallery-item:not(:has(img)):hover i {
    color: var(--orange);
}

.gallery-item:not(:has(img)) span {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--text-muted);
    text-align: center;
}

/* ============================================
   13. CONTACT PAGE
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-info-card {
    background: var(--secondary-navy);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--border-color);
}

.contact-info-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.contact-info-item:first-child {
    padding-top: 0;
}

.contact-info-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 107, 0, 0.1);
    border-radius: var(--radius-md);
    color: var(--orange);
    font-size: var(--fs-lg);
    flex-shrink: 0;
}

.contact-info-text h5 {
    margin-bottom: var(--space-xs);
    font-size: var(--fs-base);
}

.contact-info-text p {
    font-size: var(--fs-sm);
    margin-bottom: 0;
}

/* Contact Form */
.contact-form {
    background: var(--secondary-navy);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--white);
    margin-bottom: var(--space-sm);
}

.form-control {
    width: 100%;
    padding: 0.85rem var(--space-lg);
    background: var(--primary-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: var(--fs-base);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-control:focus {
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(0, 191, 166, 0.1);
}

.form-control::placeholder {
    color: var(--text-muted);
}

textarea.form-control {
    min-height: 140px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238892a4' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

/* Map container */
.contact-map {
    width: 100%;
    height: 300px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    margin-top: var(--space-2xl);
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ============================================
   14. ABOUT PAGE
   ============================================ */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 60%;
    height: 60%;
    border: 3px solid var(--orange);
    border-radius: var(--radius-lg);
    transform: translate(20px, 20px);
    z-index: -1;
    opacity: 0.3;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
}

.stat-item {
    text-align: center;
    padding: var(--space-xl);
    background: var(--secondary-navy);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: var(--fs-3xl);
    font-weight: 800;
    color: var(--teal);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.stat-label {
    font-size: var(--fs-sm);
    color: var(--text-muted);
}

/* Values / Features section */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
}

.value-card {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--secondary-navy);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.value-card:hover {
    border-color: rgba(0, 191, 166, 0.2);
    transform: translateY(-3px);
}

.value-card-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    background: rgba(0, 191, 166, 0.08);
    border-radius: var(--radius-full);
    font-size: var(--fs-2xl);
    color: var(--teal);
}

/* ============================================
   15. FIXED MOBILE ACTION BUTTONS
   ============================================ */
.mobile-actions {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    display: none;
    z-index: 999;
    background: var(--primary-dark);
    border-top: 1px solid var(--border-color);
    padding: var(--space-sm);
}

.mobile-actions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-sm);
}

.mobile-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: var(--space-sm) var(--space-xs);
    border-radius: var(--radius-md);
    font-size: var(--fs-xs);
    font-weight: 600;
    text-align: center;
    color: var(--white);
    transition: all var(--transition-fast);
}

.mobile-action-btn i {
    font-size: var(--fs-lg);
}

.mobile-action-btn.call {
    background: var(--orange);
}

.mobile-action-btn.whatsapp {
    background: #25d366;
}

.mobile-action-btn.location {
    background: var(--teal);
    color: var(--primary-dark);
}

.mobile-action-btn:active {
    transform: scale(0.95);
}

/* ============================================
   16. SCROLL ANIMATIONS
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Stagger children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.4s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.5s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.6s; }

.stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   17. PAGE HERO (Inner pages)
   ============================================ */
.page-hero {
    padding: calc(var(--header-height) + var(--space-4xl)) 0 var(--space-3xl);
    background: var(--secondary-navy);
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 0% 100%, rgba(0, 191, 166, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 100% 0%, rgba(255, 107, 0, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.page-hero h1 {
    font-size: var(--fs-3xl);
    margin-bottom: var(--space-md);
}

.page-hero p {
    font-size: var(--fs-md);
    max-width: 600px;
}

/* ============================================
   18. UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--space-md); }
.mt-2 { margin-top: var(--space-xl); }
.mt-3 { margin-top: var(--space-2xl); }
.mt-4 { margin-top: var(--space-3xl); }

.mb-1 { margin-bottom: var(--space-md); }
.mb-2 { margin-bottom: var(--space-xl); }
.mb-3 { margin-bottom: var(--space-2xl); }
.mb-4 { margin-bottom: var(--space-3xl); }

.py-1 { padding-top: var(--space-md); padding-bottom: var(--space-md); }
.py-2 { padding-top: var(--space-xl); padding-bottom: var(--space-xl); }
.py-3 { padding-top: var(--space-2xl); padding-bottom: var(--space-2xl); }
.py-4 { padding-top: var(--space-3xl); padding-bottom: var(--space-3xl); }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: var(--space-md); }
.gap-2 { gap: var(--space-xl); }

.bg-dark { background-color: var(--primary-dark); }
.bg-navy { background-color: var(--secondary-navy); }

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Schema/Structured data utility - hidden but accessible */
.schema-data {
    display: none;
}

/* Metallic shine effect for headings */
.metallic {
    background: linear-gradient(
        135deg,
        var(--white) 0%,
        #c0c0c0 25%,
        var(--white) 50%,
        #c0c0c0 75%,
        var(--white) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Neon glow text */
.neon-glow {
    text-shadow:
        0 0 7px rgba(0, 191, 166, 0.5),
        0 0 10px rgba(0, 191, 166, 0.3),
        0 0 21px rgba(0, 191, 166, 0.2);
}

/* Orange highlight line */
.highlight-line {
    position: relative;
    padding-left: var(--space-lg);
}

.highlight-line::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--orange);
    border-radius: 2px;
    box-shadow: var(--shadow-orange);
}

/* ============================================
   19. PARTNERS / BRANDS SECTION
   ============================================ */
.brands-track {
    display: flex;
    align-items: center;
    gap: var(--space-3xl);
    padding: var(--space-xl) 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.brands-track::-webkit-scrollbar {
    display: none;
}

.brand-logo {
    flex-shrink: 0;
    opacity: 0.5;
    filter: grayscale(100%);
    transition: all var(--transition-base);
    height: 40px;
    width: auto;
}

.brand-logo:hover {
    opacity: 1;
    filter: grayscale(0%);
}

/* ============================================
   20. TESTIMONIALS
   ============================================ */
.testimonial-card {
    background: var(--secondary-navy);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: var(--space-md);
    right: var(--space-xl);
    font-size: 4rem;
    font-family: serif;
    color: rgba(0, 191, 166, 0.15);
    line-height: 1;
}

.testimonial-text {
    font-size: var(--fs-base);
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.testimonial-author-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--orange);
}

.testimonial-author-name {
    font-weight: 600;
    font-size: var(--fs-sm);
    color: var(--white);
}

.testimonial-author-role {
    font-size: var(--fs-xs);
    color: var(--text-muted);
}

/* ============================================
   21. RESPONSIVE BREAKPOINTS
   ============================================ */

/* Large Desktop */
@media (max-width: 1200px) {
    :root {
        --fs-5xl: 3.5rem;
        --fs-4xl: 2.8rem;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }

    .footer-brand {
        grid-column: span 3;
    }
}

/* Tablet */
@media (max-width: 992px) {
    :root {
        --fs-5xl: 3rem;
        --fs-4xl: 2.5rem;
        --fs-3xl: 2rem;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background: var(--primary-dark);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--space-2xl);
        gap: var(--space-md);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        overflow-y: auto;
        z-index: 999;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .menu-toggle {
        display: flex;
    }

    .header-cta {
        display: none;
    }

    .nav-menu > li > a {
        font-size: var(--fs-md);
        padding: var(--space-sm) 0;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: transparent;
        border: none;
        box-shadow: none;
        padding-left: var(--space-lg);
        display: none;
    }

    .dropdown.active .dropdown-menu {
        display: block;
    }

    .about-intro {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-brand {
        grid-column: span 2;
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }

    .cta-content {
        flex-direction: column;
        text-align: center;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --fs-5xl: 2.5rem;
        --fs-4xl: 2rem;
        --fs-3xl: 1.75rem;
        --fs-2xl: 1.5rem;
        --space-5xl: 5rem;
        --space-4xl: 4rem;
        --container-padding: 1rem;
    }

    .hero-content h1 {
        font-size: var(--fs-3xl);
    }

    .hero-content p {
        font-size: var(--fs-base);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-grid {
        display: none;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr 1fr;
    }

    .gallery-item.large {
        grid-column: span 1;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .footer-brand {
        grid-column: span 1;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .mobile-actions {
        display: block;
    }

    /* Add bottom padding to body for fixed mobile actions */
    body {
        padding-bottom: 70px;
    }

    .section {
        padding: var(--space-3xl) 0;
    }

    .page-hero {
        padding: calc(var(--header-height) + var(--space-2xl)) 0 var(--space-xl);
    }

    .neon-line-left,
    .neon-line-right {
        display: none;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    :root {
        --fs-5xl: 2rem;
        --fs-4xl: 1.75rem;
        --fs-3xl: 1.5rem;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: 85vh;
    }

    .hero-content {
        padding: var(--space-md);
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .values-grid {
        grid-template-columns: 1fr;
    }

    .mobile-actions-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

/* ============================================
   22. PRINT STYLES
   ============================================ */
@media print {
    .header,
    .mobile-actions,
    .hero-grid,
    .neon-line-left,
    .neon-line-right {
        display: none;
    }

    body {
        color: #000;
        background: #fff;
    }

    .section {
        padding: 2rem 0;
    }
}

/* ============================================
   23. ACCESSIBILITY - FOCUS STATES
   ============================================ */
:focus-visible {
    outline: 2px solid var(--teal);
    outline-offset: 2px;
}

a:focus-visible,
button:focus-visible,
.form-control:focus-visible {
    outline: 2px solid var(--teal);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .fade-in,
    .fade-in-left,
    .fade-in-right,
    .scale-in {
        opacity: 1;
        transform: none;
    }

    .stagger-children > * {
        opacity: 1;
        transform: none;
    }
}

/* ============================================
   24. LOADING STATE
   ============================================ */
.page-loader {
    position: fixed;
    inset: 0;
    background: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--teal);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   25. MISC COMPONENTS
   ============================================ */

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: var(--fs-xs);
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-teal {
    background: rgba(0, 191, 166, 0.15);
    color: var(--teal);
}

.badge-orange {
    background: rgba(255, 107, 0, 0.15);
    color: var(--orange);
}

/* Divider */
.divider {
    width: 100%;
    height: 1px;
    background: var(--border-color);
    margin: var(--space-3xl) 0;
}

/* Card base */
.card {
    background: var(--secondary-navy);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: rgba(0, 191, 166, 0.15);
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary-navy);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--teal);
    font-size: var(--fs-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 99;
    cursor: pointer;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--teal);
    color: var(--primary-dark);
    border-color: var(--teal);
    box-shadow: var(--shadow-neon);
}

/* Desktop: adjust back-to-top when no mobile actions */
@media (min-width: 769px) {
    .back-to-top {
        bottom: 30px;
    }
}