/* ADAT HelpLine - Distinctive 2025 Design System */
:root {
    /* Typography - Optimized for perfect card proportions */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-secondary: 'Playfair Display', Georgia, serif;

    /* Font Scale - Perfectly balanced for cards */
    --font-xs: clamp(14px, 1.8vw, 16px);
    --font-sm: clamp(16px, 2vw, 18px);
    --font-base: clamp(18px, 2.2vw, 20px);
    --font-lg: clamp(20px, 2.5vw, 24px);
    --font-xl: clamp(24px, 3vw, 28px);
    --font-2xl: clamp(28px, 3.5vw, 32px);
    --font-3xl: clamp(32px, 4vw, 40px);
    --font-4xl: clamp(48px, 6vw, 72px);
    --font-5xl: clamp(56px, 8vw, 88px);

    /* Distinctive Color Palette - Warm & Professional */
    --primary-50: #fef7ee;
    --primary-100: #fdead5;
    --primary-200: #fad1aa;
    --primary-300: #f6b175;
    --primary-400: #f18c3e;
    --primary-500: #ee7125;
    --primary-600: #df5a1b;
    --primary-700: #b94619;
    --primary-800: #943a1c;
    --primary-900: #78321a;

    --secondary-50: #f0f9ff;
    --secondary-100: #e0f2fe;
    --secondary-200: #bae6fd;
    --secondary-300: #7dd3fc;
    --secondary-400: #38bdf8;
    --secondary-500: #0ea5e9;
    --secondary-600: #0284c7;
    --secondary-700: #0369a1;
    --secondary-800: #075985;
    --secondary-900: #0c4a6e;

    --accent-50: #ecfdf5;
    --accent-100: #d1fae5;
    --accent-200: #a7f3d0;
    --accent-300: #6ee7b7;
    --accent-400: #34d399;
    --accent-500: #10b981;
    --accent-600: #059669;
    --accent-700: #047857;
    --accent-800: #065f46;
    --accent-900: #064e3b;

    --neutral-50: #fafaf9;
    --neutral-100: #f5f5f4;
    --neutral-200: #e7e5e4;
    --neutral-300: #d6d3d1;
    --neutral-400: #a8a29e;
    --neutral-500: #78716c;
    --neutral-600: #57534e;
    --neutral-700: #44403c;
    --neutral-800: #292524;
    --neutral-900: #1c1917;

    /* Semantic Colors */
    --text-primary: var(--neutral-900);
    --text-secondary: var(--neutral-600);
    --text-muted: var(--neutral-500);
    --text-white: #ffffff;

    --bg-primary: #ffffff;
    --bg-secondary: var(--neutral-50);
    --bg-muted: var(--neutral-100);

    /* Advanced Spacing System */
    --space-0: 0;
    --space-px: 1px;
    --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;

    --section-padding: clamp(var(--space-16), 8vw, var(--space-24));
    --container-padding: clamp(var(--space-6), 4vw, var(--space-12));

    /* Border Radius Scale */
    --radius-none: 0;
    --radius-sm: 0.125rem;
    --radius-base: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;

    /* Advanced Shadow System */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-2xl: 0 50px 100px -20px rgba(0, 0, 0, 0.25);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-500) 0%, var(--secondary-600) 100%);
    --gradient-warm: linear-gradient(135deg, var(--primary-400) 0%, var(--primary-600) 50%, var(--primary-800) 100%);
    --gradient-cool: linear-gradient(135deg, var(--secondary-400) 0%, var(--secondary-600) 50%, var(--secondary-800) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(238, 113, 37, 0.4) 0%, rgba(185, 70, 25, 0.6) 100%);

    /* 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);

    /* Z-Index Scale */
    --z-0: 0;
    --z-10: 10;
    --z-20: 20;
    --z-30: 30;
    --z-40: 40;
    --z-50: 50;
}

/* Reset & Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-base);
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

h1 { font-size: var(--font-5xl); }
h2 { font-size: var(--font-4xl); }
h3 { font-size: var(--font-2xl); }
h4 { font-size: var(--font-xl); }

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Navigation */
.navigation {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--neutral-200);
    z-index: var(--z-50);
    transition: var(--transition-base);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
}

.nav-brand {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
}

.brand-logo {
    font-size: var(--font-2xl);
    font-weight: 900;
    color: var(--primary-600);
    font-family: var(--font-secondary);
}

.brand-text {
    font-size: var(--font-lg);
    font-weight: 300;
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    gap: var(--space-8);
    align-items: center;
}

.nav-item {
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    position: relative;
}

.nav-item:hover,
.nav-item.active {
    color: var(--primary-600);
    background: var(--primary-50);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: var(--space-1);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-base);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('images/hero-bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: var(--z-0);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: var(--z-10);
}

.hero-content {
    position: relative;
    z-index: var(--z-20);
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-white);
    padding: var(--space-2) var(--space-6);
    border-radius: var(--radius-full);
    font-size: var(--font-sm);
    font-weight: 500;
    margin-bottom: var(--space-6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-title {
    color: var(--text-white);
    margin-bottom: var(--space-6);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: var(--font-lg);
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--space-12);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-actions {
    display: flex;
    gap: var(--space-6);
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.hero-btn {
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-2xl);
    font-weight: 600;
    font-size: var(--font-base);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: var(--transition-base);
    border: 2px solid transparent;
    cursor: pointer;
}

.hero-btn.primary {
    background: var(--gradient-primary);
    color: var(--text-white);
    box-shadow: var(--shadow-lg);
}

.hero-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.hero-btn.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
    border-color: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.hero-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.section-badge {
    display: inline-block;
    background: var(--primary-100);
    color: var(--primary-700);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--font-sm);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.section-title {
    margin-bottom: var(--space-4);
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: var(--font-lg);
    color: var(--text-muted);
    margin-bottom: 0;
}

/* Services Section */
.services-section {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-base);
    transition: var(--transition-base);
    border: 1px solid var(--neutral-200);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-base);
}

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

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

.service-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-6);
    padding: var(--space-4);
    background: var(--primary-100);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-600);
}

.service-title {
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.service-desc {
    color: var(--text-secondary);
    margin: 0;
    max-width: 280px;
    margin: 0 auto;
}

/* About Section */
.about-section {
    padding: var(--section-padding) 0;
    background: var(--bg-primary);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
    max-width: 1200px;
    margin: 0 auto;
}

.about-card {
    background: var(--bg-secondary);
    padding: var(--space-8);
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    text-align: center;
    border: 1px solid var(--neutral-200);
}

.about-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.about-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-6);
    padding: var(--space-3);
    background: var(--secondary-100);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-600);
}

.about-title {
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.about-desc {
    color: var(--text-secondary);
    margin: 0;
    max-width: 280px;
    margin: 0 auto;
}

/* Gallery Section */
.gallery-section {
    padding: var(--section-padding) 0;
    background: var(--bg-muted);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: var(--space-6);
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-base);
    transition: var(--transition-base);
    cursor: pointer;
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-10);
}

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

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

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    display: flex;
    align-items: flex-end;
    padding: var(--space-6);
    opacity: 0;
    transition: var(--transition-base);
}

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

.gallery-label {
    color: var(--text-white);
    font-weight: 600;
    font-size: var(--font-sm);
}

/* Process Section */
.process-section {
    padding: var(--section-padding) 0;
    background: var(--bg-primary);
}

.process-timeline {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    gap: var(--space-12);
}

.process-step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-8);
    align-items: start;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    color: var(--text-white);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-xl);
    font-weight: 700;
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

.step-content {
    padding: var(--space-2) 0;
}

.step-title {
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.step-desc {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* FAQ Section */
.faq-section {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    gap: var(--space-4);
}

.faq-item {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-base);
}

.faq-question {
    width: 100%;
    padding: var(--space-6) var(--space-8);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-base);
    font-weight: 600;
    color: var(--text-primary);
    transition: var(--transition-base);
}

.faq-question:hover {
    background: var(--neutral-50);
}

.faq-icon {
    font-size: var(--font-xl);
    color: var(--primary-600);
    transition: var(--transition-base);
    transform: rotate(0deg);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--space-8);
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-base);
}

.faq-item.active .faq-answer {
    padding: 0 var(--space-8) var(--space-6);
    max-height: 200px;
}

.faq-answer p {
    color: var(--text-secondary);
    margin: 0;
}

/* Contact CTA Section */
.contact-cta-section {
    padding: var(--section-padding) 0;
    background: var(--gradient-warm);
    color: var(--text-white);
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    color: var(--text-white);
    margin-bottom: var(--space-6);
}

.cta-subtitle {
    font-size: var(--font-lg);
    margin-bottom: var(--space-12);
    opacity: 0.95;
}

.cta-actions {
    display: flex;
    gap: var(--space-8);
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.cta-btn {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-2xl);
    font-weight: 600;
    font-size: var(--font-lg);
    cursor: pointer;
    transition: var(--transition-base);
    backdrop-filter: blur(10px);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.cta-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.cta-email {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 500;
    padding: var(--space-3) var(--space-6);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    transition: var(--transition-base);
}

.cta-email:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Footer */
.footer {
    background: var(--neutral-900);
    color: var(--neutral-300);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-12);
    align-items: start;
}

.footer-logo {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.footer-logo .brand-logo {
    color: var(--primary-400);
}

.footer-logo .brand-text {
    color: var(--text-white);
}

.footer-desc {
    color: var(--neutral-400);
}

.footer-contact h4 {
    color: var(--text-white);
    margin-bottom: var(--space-4);
    font-size: var(--font-lg);
}

.footer-contact p {
    margin-bottom: var(--space-2);
    color: var(--neutral-400);
}

.footer-legal {
    text-align: right;
}

.footer-legal p {
    color: var(--neutral-500);
    font-size: var(--font-sm);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: var(--z-50);
    padding: var(--space-8);
    overflow-y: auto;
}

.modal-content {
    background: var(--bg-primary);
    max-width: 600px;
    max-height: 70vh;
    overflow-y: auto;
    margin: var(--space-12) auto;
    padding: var(--space-10);
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-2xl);
    position: relative;
    animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-close {
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    background: none;
    border: none;
    font-size: var(--font-2xl);
    color: var(--text-muted);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.modal-close:hover {
    background: var(--neutral-100);
    color: var(--text-primary);
}

.modal-content h3 {
    margin-bottom: var(--space-6);
    color: var(--text-primary);
}

.modal-content p {
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.modal-cta {
    background: var(--gradient-primary);
    color: var(--text-white);
    border: none;
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-2xl);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    width: 100%;
}

.modal-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: var(--space-8);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-base);
    }

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

    .nav-toggle {
        display: flex;
    }

    .hero-actions {
        flex-direction: column;
    }

    .services-grid,
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, 1fr);
    }

    .process-step {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-4);
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-8);
    }

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

    .cta-actions {
        flex-direction: column;
        gap: var(--space-4);
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(6, 1fr);
    }

    .hero-bg {
        background-attachment: scroll;
    }

    .modal-content {
        margin: var(--space-4) auto;
        padding: var(--space-6);
    }
}

/* Utility Classes */
.disclaimer-icon {
    font-size: var(--font-sm);
    opacity: 0.8;
}