/* =====================================================
   PHIBRA DIENSTLEISTUNGEN - SWISS CONSTRUCTION WEBSITE
   Modern, Bold, Black & White Design System
   ===================================================== */

/* ===== CUSTOM FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* ===== CSS VARIABLES / DESIGN TOKENS ===== */
:root {
    /* Colors - HSL Format */
    --color-brand: 342 43% 25%;
    --color-brand-dark: 342 45% 18%;
    --color-brand-light: 342 35% 42%;
    --color-black: var(--color-brand);
    --color-white: 0 0% 100%;
    --color-gray-50: 0 0% 98%;
    --color-gray-100: 0 0% 96%;
    --color-gray-200: 0 0% 90%;
    --color-gray-300: 0 0% 80%;
    --color-gray-400: 0 0% 60%;
    --color-gray-500: 0 0% 45%;
    --color-gray-600: 0 0% 32%;
    --color-gray-700: 0 0% 20%;
    --color-gray-800: 0 0% 12%;
    --color-gray-900: 0 0% 6%;
    
    /* Accent Color */
    --color-accent: var(--color-brand);
    --color-accent-light: var(--color-brand-light);
    
    /* Semantic Colors */
    --background: var(--color-white);
    --foreground: var(--color-black);
    --surface: var(--color-gray-50);
    --surface-elevated: var(--color-white);
    --border: var(--color-gray-200);
    --border-strong: var(--color-gray-300);
    --text-primary: var(--color-gray-900);
    --text-secondary: var(--color-gray-600);
    --text-muted: var(--color-gray-500);
    
    /* Typography */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;
    --text-8xl: 6rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 hsl(var(--color-black) / 0.05);
    --shadow-md: 0 4px 6px -1px hsl(var(--color-black) / 0.1);
    --shadow-lg: 0 10px 15px -3px hsl(var(--color-black) / 0.1);
    --shadow-xl: 0 20px 25px -5px hsl(var(--color-black) / 0.1);
    --shadow-2xl: 0 25px 50px -12px hsl(var(--color-black) / 0.25);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slower: 700ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Container */
    --container-max: 1400px;
    --container-padding: var(--space-6);
}

/* ===== CSS RESET & BASE ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: hsl(var(--background));
    color: hsl(var(--text-primary));
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(var(--text-4xl), 8vw, var(--text-7xl));
}

h2 {
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
}

h3 {
    font-size: clamp(var(--text-2xl), 4vw, var(--text-3xl));
}

h4 {
    font-size: var(--text-xl);
}

p {
    font-size: var(--text-base);
    line-height: 1.7;
    color: hsl(var(--text-secondary));
}

.text-lead {
    font-size: var(--text-lg);
    line-height: 1.6;
}

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

.section {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
}

.section-sm {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
}

.section-lg {
    padding-top: var(--space-32);
    padding-bottom: var(--space-32);
}

/* ===== GRID OVERLAY EFFECT ===== */
.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: 
        linear-gradient(hsl(var(--color-black)) 1px, transparent 1px),
        linear-gradient(90deg, hsl(var(--color-black)) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* ===== HEADER / NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: background var(--transition-base), box-shadow var(--transition-base), padding var(--transition-base);
    background: hsl(var(--color-white) / 0.98);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
}

.header.scrolled {
    background: hsl(var(--color-white) / 0.98);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
}

.header-top {
    background: hsl(var(--color-black));
    color: hsl(var(--color-white));
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    transition: transform var(--transition-base);
}

.header.scrolled .header-top {
    transform: translateY(-100%);
    position: absolute;
}

.header-top-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.header-contact {
    display: flex;
    gap: var(--space-6);
    align-items: center;
}

.header-contact a {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    transition: opacity var(--transition-fast);
}

.header-contact a:hover {
    opacity: 0.8;
}

.header-contact i {
    font-size: var(--text-sm);
}

.header-main {
    padding: var(--space-4) 0;
    transition: padding var(--transition-base);
}

.header.scrolled .header-main {
    padding: var(--space-3) 0;
}

.header-main-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-8);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: scale(1.02);
}

.logo-image {
    display: block;
    width: clamp(112px, 13vw, 152px);
    height: auto;
    padding: var(--space-1);
    background: hsl(var(--color-white));
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-link {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: hsl(var(--text-secondary));
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--space-4);
    right: var(--space-4);
    height: 2px;
    background: hsl(var(--color-black));
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: hsl(var(--color-black));
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Dropdown */
.nav-item {
    position: relative;
}

.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 280px;
    background: hsl(var(--color-white));
    box-shadow: var(--shadow-xl);
    border: 1px solid hsl(var(--border));
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    z-index: 100;
}

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

.nav-dropdown a {
    display: block;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    color: hsl(var(--text-secondary));
    border-bottom: 1px solid hsl(var(--border));
    transition: all var(--transition-fast);
}

.nav-dropdown a:last-child {
    border-bottom: none;
}

.nav-dropdown a:hover {
    background: hsl(var(--surface));
    color: hsl(var(--color-black));
    padding-left: var(--space-6);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    cursor: pointer;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: hsl(var(--color-black));
    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);
}

/* CTA Button in Header */
.header-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: hsl(var(--color-black));
    color: hsl(var(--color-white));
    font-size: var(--text-sm);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.header-cta:hover {
    background: hsl(var(--color-gray-800));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 600;
    text-align: center;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, hsl(var(--color-white) / 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: hsl(var(--color-black));
    color: hsl(var(--color-white));
    border-color: hsl(var(--color-black));
}

.btn-primary:hover {
    background: hsl(var(--color-gray-800));
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: transparent;
    color: hsl(var(--color-black));
    border-color: hsl(var(--color-black));
}

.btn-secondary:hover {
    background: hsl(var(--color-black));
    color: hsl(var(--color-white));
    transform: translateY(-3px);
}

.btn-white {
    background: hsl(var(--color-white));
    color: hsl(var(--color-black));
    border-color: hsl(var(--color-white));
}

.btn-white:hover {
    background: hsl(var(--color-gray-100));
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-lg {
    padding: var(--space-5) var(--space-10);
    font-size: var(--text-lg);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: hsl(var(--color-black));
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.5;
    filter: grayscale(30%);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        hsl(var(--color-black) / 0.85) 0%,
        hsl(var(--color-black) / 0.6) 50%,
        hsl(var(--color-black) / 0.75) 100%
    );
    z-index: 2;
}

.hero-pattern {
    position: absolute;
    inset: 0;
    z-index: 3;
    opacity: 0.1;
    background-image: 
        linear-gradient(hsl(var(--color-white)) 1px, transparent 1px),
        linear-gradient(90deg, hsl(var(--color-white)) 1px, transparent 1px);
    background-size: 80px 80px;
}

.hero-content {
    position: relative;
    z-index: 10;
    color: hsl(var(--color-white));
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: hsl(var(--color-white) / 0.1);
    border: 1px solid hsl(var(--color-white) / 0.2);
    font-size: var(--text-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-6);
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(var(--text-4xl), 10vw, var(--text-8xl));
    line-height: 0.95;
    margin-bottom: var(--space-6);
    color: hsl(var(--color-white));
}

.hero-title span {
    display: block;
}

.hero-title .highlight {
    color: hsl(var(--color-gray-400));
    font-weight: 400;
}

.hero-subtitle {
    font-size: clamp(var(--text-lg), 2.5vw, var(--text-xl));
    color: hsl(var(--color-gray-300));
    max-width: 600px;
    margin-bottom: var(--space-10);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-10);
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    color: hsl(var(--color-white));
    font-size: var(--text-sm);
    opacity: 0.7;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

.hero-scroll i {
    font-size: var(--text-2xl);
}

/* Hero Stats */
.hero-stats {
    position: absolute;
    bottom: 0;
    right: 0;
    z-index: 10;
    display: flex;
    background: hsl(var(--color-white));
    color: hsl(var(--color-black));
}

.hero-stat {
    padding: var(--space-6) var(--space-8);
    border-right: 1px solid hsl(var(--border));
}

.hero-stat:last-child {
    border-right: none;
}

.hero-stat-number {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--space-1);
}

.hero-stat-label {
    font-size: var(--text-sm);
    color: hsl(var(--text-secondary));
}

/* ===== SECTION HEADERS ===== */
.section-header {
    margin-bottom: var(--space-16);
}

.section-header.center {
    text-align: center;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: hsl(var(--text-muted));
    margin-bottom: var(--space-4);
}

.section-label::before {
    content: '';
    width: 40px;
    height: 2px;
    background: hsl(var(--color-black));
}

.section-title {
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: hsl(var(--text-secondary));
    max-width: 600px;
}

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

/* ===== SERVICE CARDS ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
}

.service-card {
    position: relative;
    background: hsl(var(--color-white));
    border: 1px solid hsl(var(--border));
    overflow: hidden;
    transition: all var(--transition-base);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: hsl(var(--color-black));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

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

.service-card-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

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

.service-card:hover .service-card-image img {
    transform: scale(1.1);
}

.service-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, hsl(var(--color-black) / 0.6), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover .service-card-overlay {
    opacity: 1;
}

.service-card-content {
    padding: var(--space-6);
}

.service-card-icon {
    width: 50px;
    height: 50px;
    background: hsl(var(--surface));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
    font-size: var(--text-xl);
    color: hsl(var(--color-black));
    transition: all var(--transition-fast);
}

.service-card:hover .service-card-icon {
    background: hsl(var(--color-black));
    color: hsl(var(--color-white));
}

.service-card-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.service-card-text {
    font-size: var(--text-sm);
    color: hsl(var(--text-secondary));
    margin-bottom: var(--space-4);
}

.service-card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    color: hsl(var(--color-black));
    transition: gap var(--transition-fast);
}

.service-card-link:hover {
    gap: var(--space-3);
}

/* ===== REFERENCES MARQUEE ===== */
.references-section {
    background: hsl(var(--color-white));
    overflow: hidden;
    border-top: 1px solid hsl(var(--border));
    border-bottom: 1px solid hsl(var(--border));
}

.references-section .section-header {
    margin-bottom: var(--space-8);
}

.references-marquee {
    position: relative;
    overflow: hidden;
    padding: var(--space-2) 0 var(--space-8);
}

.references-marquee::before,
.references-marquee::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 12vw;
    z-index: 2;
    pointer-events: none;
}

.references-marquee::before {
    left: 0;
    background: linear-gradient(to right, hsl(var(--color-white)), hsl(var(--color-white) / 0));
}

.references-marquee::after {
    right: 0;
    background: linear-gradient(to left, hsl(var(--color-white)), hsl(var(--color-white) / 0));
}

.references-track {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    width: max-content;
    animation: references-scroll-right 36s linear infinite;
}

.references-track:hover {
    animation-play-state: paused;
}

.reference-logo {
    width: clamp(150px, 16vw, 230px);
    height: 96px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    padding: var(--space-5);
    background: hsl(var(--surface));
    border: 1px solid hsl(var(--border));
    box-shadow: var(--shadow-sm);
}

.reference-logo img {
    max-width: 100%;
    max-height: 64px;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
}

@keyframes references-scroll-right {
    from {
        transform: translateX(-50%);
    }
    to {
        transform: translateX(0);
    }
}

/* ===== PROJECT CARDS ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-6);
}

.project-card {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
}

.project-card-image {
    position: absolute;
    inset: 0;
}

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

.project-card:hover .project-card-image img {
    transform: scale(1.1);
}

.project-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, hsl(var(--color-black) / 0.9), hsl(var(--color-black) / 0.2));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-6);
    color: hsl(var(--color-white));
    transition: background var(--transition-base);
}

.project-card:hover .project-card-overlay {
    background: linear-gradient(to top, hsl(var(--color-black) / 0.95), hsl(var(--color-black) / 0.4));
}

.project-card-category {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: hsl(var(--color-gray-400));
    margin-bottom: var(--space-2);
}

.project-card-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-2);
    color: hsl(var(--color-white));
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.project-card:hover .project-card-title {
    transform: translateY(0);
}

.project-card-location {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: hsl(var(--color-gray-400));
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-base);
}

.project-card:hover .project-card-location {
    opacity: 1;
    transform: translateY(0);
}

.project-card-arrow {
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    width: 50px;
    height: 50px;
    background: hsl(var(--color-white));
    color: hsl(var(--color-black));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translate(20px, -20px);
    transition: all var(--transition-base);
}

.project-card:hover .project-card-arrow {
    opacity: 1;
    transform: translate(0, 0);
}

/* ===== TRUST SECTION ===== */
.trust-section {
    background: hsl(var(--color-black));
    color: hsl(var(--color-white));
    position: relative;
    overflow: hidden;
}

.trust-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.05;
    background-image: 
        linear-gradient(hsl(var(--color-white)) 1px, transparent 1px),
        linear-gradient(90deg, hsl(var(--color-white)) 1px, transparent 1px);
    background-size: 60px 60px;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.trust-item {
    text-align: center;
    padding: var(--space-8);
    border: 1px solid hsl(var(--color-white) / 0.1);
    transition: all var(--transition-base);
}

.trust-item:hover {
    background: hsl(var(--color-white) / 0.05);
    border-color: hsl(var(--color-white) / 0.2);
    transform: translateY(-5px);
}

.trust-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--space-6);
    background: hsl(var(--color-white));
    color: hsl(var(--color-black));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
}

.trust-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
    color: hsl(var(--color-white));
}

.trust-text {
    font-size: var(--text-sm);
    color: hsl(var(--color-gray-400));
    line-height: 1.7;
}

/* ===== LOCATIONS SECTION ===== */
.locations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-6);
}

.location-card {
    padding: var(--space-8);
    background: hsl(var(--surface));
    border: 1px solid hsl(var(--border));
    transition: all var(--transition-base);
}

.location-card:hover {
    border-color: hsl(var(--color-black));
    box-shadow: var(--shadow-lg);
}

.location-city {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.location-city::before {
    content: '';
    width: 12px;
    height: 12px;
    background: hsl(var(--color-black));
}

.location-address {
    font-size: var(--text-base);
    color: hsl(var(--text-secondary));
    line-height: 1.8;
}

.location-address i {
    color: hsl(var(--color-black));
    margin-right: var(--space-2);
    width: 20px;
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: hsl(var(--surface));
    position: relative;
}

.cta-content {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: var(--space-10);
}

.cta-text {
    max-width: 600px;
}

.cta-title {
    margin-bottom: var(--space-4);
}

.cta-subtitle {
    font-size: var(--text-lg);
    color: hsl(var(--text-secondary));
}

/* ===== FOOTER ===== */
.footer {
    background: hsl(var(--color-black));
    color: hsl(var(--color-white));
    padding-top: var(--space-20);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-12);
    padding-bottom: var(--space-16);
    border-bottom: 1px solid hsl(var(--color-white) / 0.1);
}

.footer-brand {
    max-width: 350px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-6);
}

.footer-logo-image {
    display: block;
    width: min(210px, 100%);
    height: auto;
    padding: var(--space-3);
    background: hsl(var(--color-white));
}

.footer-description {
    font-size: var(--text-sm);
    color: hsl(var(--color-gray-400));
    line-height: 1.8;
    margin-bottom: var(--space-6);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social a {
    width: 44px;
    height: 44px;
    background: hsl(var(--color-white) / 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: hsl(var(--color-white));
    color: hsl(var(--color-black));
    transform: translateY(-3px);
}

.footer-title {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-6);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a {
    font-size: var(--text-sm);
    color: hsl(var(--color-gray-400));
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.footer-links a:hover {
    color: hsl(var(--color-white));
    padding-left: var(--space-2);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
    color: hsl(var(--color-gray-400));
}

.footer-contact-item i {
    color: hsl(var(--color-white));
    margin-top: 4px;
    width: 20px;
}

.footer-contact-item a {
    color: hsl(var(--color-gray-400));
    transition: color var(--transition-fast);
}

.footer-contact-item a:hover {
    color: hsl(var(--color-white));
}

.footer-bottom {
    padding: var(--space-6) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
    font-size: var(--text-sm);
    color: hsl(var(--color-gray-500));
}

.footer-legal {
    display: flex;
    gap: var(--space-6);
}

.footer-legal a:hover {
    color: hsl(var(--color-white));
}

/* ===== PAGE HERO (INNER PAGES) ===== */
.page-hero {
    background: hsl(var(--color-black));
    color: hsl(var(--color-white));
    padding: calc(var(--space-32) + 80px) 0 var(--space-20);
    position: relative;
    overflow: hidden;
}

.page-hero-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.05;
    background-image: 
        linear-gradient(hsl(var(--color-white)) 1px, transparent 1px),
        linear-gradient(90deg, hsl(var(--color-white)) 1px, transparent 1px);
    background-size: 60px 60px;
}

.page-hero-content {
    position: relative;
    z-index: 2;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: hsl(var(--color-gray-400));
    margin-bottom: var(--space-6);
}

.breadcrumb a:hover {
    color: hsl(var(--color-white));
}

.breadcrumb i {
    font-size: var(--text-xs);
}

.page-title {
    font-size: clamp(var(--text-4xl), 8vw, var(--text-6xl));
    margin-bottom: var(--space-4);
    color: hsl(var(--color-white));
}

.page-subtitle {
    font-size: var(--text-lg);
    color: hsl(var(--color-gray-400));
    max-width: 600px;
}

/* ===== SERVICES PAGE ===== */
.service-detail-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.service-detail-section.reverse {
    direction: rtl;
}

.service-detail-section.reverse > * {
    direction: ltr;
}

.service-detail-content {
    padding: var(--space-8) 0;
}

.service-detail-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.service-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-detail-image::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    background: hsl(var(--color-black));
}

.service-benefits {
    margin-top: var(--space-8);
}

.benefit-item {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
    padding: var(--space-4);
    background: hsl(var(--surface));
    border-left: 3px solid hsl(var(--color-black));
}

.benefit-icon {
    width: 40px;
    height: 40px;
    background: hsl(var(--color-black));
    color: hsl(var(--color-white));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.benefit-text h4 {
    font-size: var(--text-base);
    margin-bottom: var(--space-1);
}

.benefit-text p {
    font-size: var(--text-sm);
    margin: 0;
}

/* Service Gallery */
.service-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.gallery-item {
    aspect-ratio: 1;
    overflow: hidden;
    cursor: pointer;
}

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

.gallery-item:hover img {
    transform: scale(1.1);
}

/* Related Services */
.related-services {
    background: hsl(var(--surface));
}

/* ===== CONTACT PAGE ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-12);
}

.contact-info {
    padding-right: var(--space-8);
}

.contact-info-item {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid hsl(var(--border));
}

.contact-info-icon {
    width: 50px;
    height: 50px;
    background: hsl(var(--color-black));
    color: hsl(var(--color-white));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info-content h4 {
    font-size: var(--text-base);
    margin-bottom: var(--space-2);
}

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

.contact-info-content a {
    color: hsl(var(--color-black));
    font-weight: 500;
}

.contact-info-content a:hover {
    text-decoration: underline;
}

/* Contact Form */
.contact-form-wrapper {
    background: hsl(var(--color-white));
    padding: var(--space-10);
    border: 1px solid hsl(var(--border));
    box-shadow: var(--shadow-xl);
}

.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: hsl(var(--text-primary));
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--space-4);
    font-family: var(--font-body);
    font-size: var(--text-base);
    border: 1px solid hsl(var(--border));
    background: hsl(var(--surface));
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: hsl(var(--color-black));
    background: hsl(var(--color-white));
    box-shadow: 0 0 0 3px hsl(var(--color-black) / 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

/* ===== ABOUT PAGE ===== */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
}

.about-image-badge {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 150px;
    height: 150px;
    background: hsl(var(--color-black));
    color: hsl(var(--color-white));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.about-image-badge span:first-child {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: 700;
    line-height: 1;
}

.about-image-badge span:last-child {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Values Grid */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.value-card {
    padding: var(--space-8);
    background: hsl(var(--color-white));
    border: 1px solid hsl(var(--border));
    transition: all var(--transition-base);
}

.value-card:hover {
    border-color: hsl(var(--color-black));
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.value-number {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    font-weight: 700;
    color: hsl(var(--color-gray-200));
    line-height: 1;
    margin-bottom: var(--space-4);
}

.value-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.value-text {
    font-size: var(--text-sm);
    color: hsl(var(--text-secondary));
}

/* Career Section */
.career-section {
    background: hsl(var(--surface));
}

.job-card {
    background: hsl(var(--color-white));
    padding: var(--space-8);
    border: 1px solid hsl(var(--border));
    margin-bottom: var(--space-6);
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: var(--space-6);
    transition: all var(--transition-base);
}

.job-card:hover {
    border-color: hsl(var(--color-black));
    box-shadow: var(--shadow-md);
}

.job-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.job-meta {
    display: flex;
    gap: var(--space-4);
    font-size: var(--text-sm);
    color: hsl(var(--text-secondary));
}

.job-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* ===== PROJECT DETAIL PAGE ===== */
.project-detail-hero {
    position: relative;
    height: 60vh;
    min-height: 500px;
}

.project-detail-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-detail-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, hsl(var(--color-black) / 0.8), transparent);
}

.project-detail-hero-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-12) 0;
    color: hsl(var(--color-white));
}

.project-detail-info {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-12);
}

.project-meta-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    background: hsl(var(--surface));
    padding: var(--space-8);
}

.project-meta-item {
    border-left: 3px solid hsl(var(--color-black));
    padding-left: var(--space-4);
}

.project-meta-label {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: hsl(var(--text-muted));
    margin-bottom: var(--space-1);
}

.project-meta-value {
    font-weight: 600;
}

/* ===== ANIMATIONS ===== */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slower), transform var(--transition-slower);
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}

[data-animate="fade-up"] {
    transform: translateY(40px);
}

[data-animate="fade-left"] {
    transform: translateX(-40px);
}

[data-animate="fade-right"] {
    transform: translateX(40px);
}

[data-animate="scale"] {
    transform: scale(0.9);
}

[data-animate="fade-left"].animated,
[data-animate="fade-right"].animated,
[data-animate="scale"].animated {
    transform: translate(0) scale(1);
}

/* Stagger Animation */
[data-animate-stagger] > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-base), transform var(--transition-base);
}

[data-animate-stagger].animated > *:nth-child(1) { transition-delay: 0ms; }
[data-animate-stagger].animated > *:nth-child(2) { transition-delay: 100ms; }
[data-animate-stagger].animated > *:nth-child(3) { transition-delay: 200ms; }
[data-animate-stagger].animated > *:nth-child(4) { transition-delay: 300ms; }
[data-animate-stagger].animated > *:nth-child(5) { transition-delay: 400ms; }
[data-animate-stagger].animated > *:nth-child(6) { transition-delay: 500ms; }
[data-animate-stagger].animated > *:nth-child(7) { transition-delay: 600ms; }
[data-animate-stagger].animated > *:nth-child(8) { transition-delay: 700ms; }
[data-animate-stagger].animated > *:nth-child(9) { transition-delay: 800ms; }
[data-animate-stagger].animated > *:nth-child(10) { transition-delay: 900ms; }

[data-animate-stagger].animated > * {
    opacity: 1;
    transform: translateY(0);
}

/* Parallax */
[data-parallax] {
    transition: transform 0.1s linear;
}

/* Counter Animation */
.counter {
    display: inline-block;
}

/* Line Reveal Animation */
.line-reveal {
    position: relative;
    overflow: hidden;
}

.line-reveal::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: hsl(var(--color-black));
    transform: translateX(-101%);
    animation: lineReveal 1s ease forwards;
}

@keyframes lineReveal {
    0% { transform: translateX(-101%); }
    50% { transform: translateX(0); }
    100% { transform: translateX(101%); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
    :root {
        --container-padding: var(--space-8);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
    
    .hero-stats {
        display: none;
    }
}

@media (max-width: 992px) {
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 400px;
        height: 100vh;
        background: hsl(var(--color-white));
        flex-direction: column;
        align-items: flex-start;
        padding: var(--space-20) var(--space-8);
        transition: right var(--transition-base);
        box-shadow: var(--shadow-2xl);
        gap: 0;
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav-link {
        width: 100%;
        padding: var(--space-4);
        font-size: var(--text-lg);
        border-bottom: 1px solid hsl(var(--border));
    }
    
    .nav-link::after {
        display: none;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-dropdown {
        position: static;
        box-shadow: none;
        border: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base);
    }
    
    .nav-item:hover .nav-dropdown,
    .nav-item.active .nav-dropdown {
        max-height: 500px;
    }
    
    .nav-dropdown a {
        padding-left: var(--space-8);
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .header-cta {
        display: none;
    }
    
    .service-detail-section,
    .about-intro,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }
    
    .service-detail-section.reverse {
        direction: ltr;
    }
    
    .project-detail-info {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: var(--space-5);
    }
    
    .hero {
        align-items: flex-start;
        min-height: auto;
        padding-top: 230px;
        padding-bottom: var(--space-16);
    }
    
    .section {
        padding-top: var(--space-16);
        padding-bottom: var(--space-16);
    }
    
    .header-top-content {
        justify-content: center;
    }
    
    .header-contact {
        flex-direction: column;
        gap: var(--space-2);
        text-align: center;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-scroll {
        display: none;
    }
    
    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-6);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .job-card {
        grid-template-columns: 1fr;
    }
    
    .service-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-image-badge {
        width: 120px;
        height: 120px;
        bottom: -20px;
        right: -20px;
    }
    
    .about-image-badge span:first-child {
        font-size: var(--text-3xl);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .hero-title .highlight {
        font-size: var(--text-3xl);
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .locations-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-grid {
        grid-template-columns: 1fr;
    }
    
    .project-meta-grid {
        grid-template-columns: 1fr;
    }
}

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

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

.hidden { display: none; }

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