/* ==========================================================================
   FALCON TRADING - STYLE 4: Modern Teal & Coral
   Mobile-first responsive design with WCAG AA accessibility
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
    /* Color Palette - WCAG AA Compliant */
    --color-primary: #0d9488;          /* Teal 600 - primary brand */
    --color-primary-dark: #0f766e;     /* Teal 700 - hover states */
    --color-primary-light: #14b8a6;    /* Teal 500 - accents */
    --color-primary-pale: #ccfbf1;     /* Teal 100 - backgrounds */

    --color-accent: #f97316;           /* Orange 500 - CTA accent */
    --color-accent-dark: #ea580c;      /* Orange 600 - hover */
    --color-accent-light: #fed7aa;     /* Orange 200 - subtle bg */

    /* Neutrals */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Semantic Colors */
    --color-success: #059669;
    --color-error: #dc2626;
    --color-warning: #d97706;

    /* Typography */
    --font-heading: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;     /* 14px */
    --text-base: 1rem;       /* 16px */
    --text-lg: 1.125rem;     /* 18px */
    --text-xl: 1.25rem;      /* 20px */
    --text-2xl: 1.5rem;      /* 24px */
    --text-3xl: 1.875rem;    /* 30px */
    --text-4xl: 2.25rem;     /* 36px */
    --text-5xl: 3rem;        /* 48px */
    --text-6xl: 3.75rem;     /* 60px */

    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;

    /* Spacing Scale */
    --space-1: 0.25rem;      /* 4px */
    --space-2: 0.5rem;       /* 8px */
    --space-3: 0.75rem;      /* 12px */
    --space-4: 1rem;         /* 16px */
    --space-5: 1.25rem;      /* 20px */
    --space-6: 1.5rem;       /* 24px */
    --space-8: 2rem;         /* 32px */
    --space-10: 2.5rem;      /* 40px */
    --space-12: 3rem;        /* 48px */
    --space-16: 4rem;        /* 64px */
    --space-20: 5rem;        /* 80px */
    --space-24: 6rem;        /* 96px */

    /* Layout */
    --container-max: 1200px;
    --container-padding: var(--space-4);

    /* Borders & Shadows */
    --radius-sm: 0.25rem;    /* 4px */
    --radius-md: 0.5rem;     /* 8px */
    --radius-lg: 0.75rem;    /* 12px */
    --radius-xl: 1rem;       /* 16px */
    --radius-2xl: 1.5rem;    /* 24px */
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --z-tooltip: 400;
}

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

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

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--color-gray-700);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
    list-style: none;
}

address {
    font-style: normal;
}

/* Focus States - Accessibility */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Skip Link - Accessibility */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-weight: 500;
    z-index: var(--z-tooltip);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-4);
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: var(--leading-tight);
    color: var(--color-gray-900);
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

@media (min-width: 768px) {
    h1 { font-size: var(--text-5xl); }
    h2 { font-size: var(--text-4xl); }
    h3 { font-size: var(--text-2xl); }
    h4 { font-size: var(--text-xl); }
}

.text-accent {
    color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Layout Components
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

@media (min-width: 768px) {
    .container {
        --container-padding: var(--space-6);
    }
}

@media (min-width: 1024px) {
    .container {
        --container-padding: var(--space-8);
    }
}

.section {
    padding: var(--space-16) 0;
}

@media (min-width: 768px) {
    .section {
        padding: var(--space-20) 0;
    }
}

@media (min-width: 1024px) {
    .section {
        padding: var(--space-24) 0;
    }
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--space-12);
}

.section-tag {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--color-primary-pale);
    color: var(--color-primary-dark);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

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

.section-desc {
    color: var(--color-gray-600);
    font-size: var(--text-lg);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    line-height: 1;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--color-gray-700);
    border: 2px solid var(--color-gray-300);
}

.btn-secondary:hover,
.btn-secondary:focus {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

.btn-block {
    width: 100%;
}

.btn-loading {
    display: none;
}

.btn.loading .btn-text {
    visibility: hidden;
}

.btn.loading .btn-loading {
    display: block;
    position: absolute;
}

.spinner {
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

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

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: transparent;
    transition: all var(--transition-slow);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

@media (min-width: 768px) {
    .header .container {
        height: 80px;
    }
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-white);
    transition: color var(--transition-fast);
}

.header.scrolled .logo {
    color: var(--color-gray-900);
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 700;
}

/* Navigation */
.nav {
    display: none;
}

@media (min-width: 1024px) {
    .nav {
        display: block;
    }
}

.nav-list {
    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: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.header.scrolled .nav-link {
    color: var(--color-gray-600);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
}

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
    color: var(--color-primary);
    background: var(--color-primary-pale);
}

.nav-link--cta {
    background: var(--color-accent) !important;
    color: var(--color-white) !important;
    margin-left: var(--space-2);
}

.nav-link--cta:hover {
    background: var(--color-accent-dark) !important;
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
}

.header.scrolled .nav-toggle {
    background: var(--color-gray-100);
}

@media (min-width: 1024px) {
    .nav-toggle {
        display: none;
    }
}

.hamburger {
    position: relative;
    width: 20px;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.header.scrolled .hamburger {
    background: var(--color-gray-700);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: inherit;
    border-radius: 2px;
    transition: var(--transition-fast);
}

.hamburger::before {
    top: -6px;
}

.hamburger::after {
    bottom: -6px;
}

.nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* Mobile Navigation Menu */
.nav.active {
    display: block;
    position: absolute;
    top: 100%;
    left: var(--space-4);
    right: var(--space-4);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-4);
    animation: slideDown var(--transition-slow);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav.active .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
}

.nav.active .nav-link {
    display: block;
    padding: var(--space-3) var(--space-4);
    color: var(--color-gray-700);
    border-radius: var(--radius-md);
}

.nav.active .nav-link:hover,
.nav.active .nav-link.active {
    color: var(--color-primary);
    background: var(--color-primary-pale);
}

.nav.active .nav-link--cta {
    text-align: center;
    margin-left: 0;
    margin-top: var(--space-2);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    overflow: hidden;
}

@media (min-width: 768px) {
    .hero {
        padding-top: 80px;
    }
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
    z-index: -2;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"><path fill="rgba(255,255,255,0.03)" d="M44.7,-76.4C58.8,-69.2,71.8,-59.1,79.6,-45.8C87.4,-32.5,90,-16.3,88.1,-1.1C86.2,14.1,79.8,28.1,71.4,40.7C63,53.2,52.5,64.2,40,71.3C27.4,78.4,13.7,81.6,-1.1,83.5C-16,85.4,-32,86,-45.8,80.2C-59.6,74.4,-71.3,62.2,-78.3,48C-85.4,33.8,-87.9,17.4,-86.6,1.8C-85.2,-13.9,-80,-27.8,-72.1,-40.1C-64.3,-52.4,-53.8,-63.1,-41.4,-71.4C-29,-79.7,-14.5,-85.6,0.5,-86.4C15.4,-87.3,30.7,-83.6,44.7,-76.4Z" transform="translate(100 100)"/></svg>');
    background-size: cover;
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: var(--color-white);
    padding: var(--space-8) 0;
}

@media (min-width: 768px) {
    .hero-content {
        padding: var(--space-16) 0;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.6s ease-out;
}

.hero-badge svg {
    flex-shrink: 0;
}

.hero-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero-title .text-accent {
    color: var(--color-accent-light);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--text-5xl);
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: var(--text-6xl);
    }
}

.hero-subtitle {
    max-width: 640px;
    margin: 0 auto var(--space-8);
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.9);
    line-height: var(--leading-relaxed);
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

@media (min-width: 768px) {
    .hero-subtitle {
        font-size: var(--text-xl);
    }
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    justify-content: center;
    margin-bottom: var(--space-12);
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

@media (min-width: 480px) {
    .hero-actions {
        flex-direction: row;
    }
}

.hero-actions .btn-primary {
    background: var(--color-accent);
}

.hero-actions .btn-primary:hover {
    background: var(--color-accent-dark);
}

.hero-actions .btn-secondary {
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--color-white);
}

.hero-actions .btn-secondary:hover {
    border-color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    max-width: 600px;
    margin: 0 auto;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-white);
}

.stat-suffix {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-accent-light);
}

@media (min-width: 768px) {
    .stat-number {
        font-size: var(--text-4xl);
    }
    .stat-suffix {
        font-size: var(--text-3xl);
    }
}

.stat-label {
    display: block;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-top: var(--space-1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about {
    background: var(--color-gray-50);
}

.about-grid {
    display: grid;
    gap: var(--space-10);
    align-items: center;
}

@media (min-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
}

.about-image {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    aspect-ratio: 4/3;
}

.about-content {

}

.about-heading {
    margin-bottom: var(--space-4);
}

.about-content > p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-6);
}

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

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    color: var(--color-gray-700);
}

.feature-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Features / Core Values Section
   -------------------------------------------------------------------------- */
.features-grid {
    display: grid;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-8);
    }
}

.feature-card {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-slow);
}

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

.feature-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--color-primary-pale);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-6);
}

.feature-card-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.feature-card-title {
    margin-bottom: var(--space-3);
}

.feature-card-desc {
    color: var(--color-gray-600);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

/* --------------------------------------------------------------------------
   Products Section
   -------------------------------------------------------------------------- */
.products {
    background: var(--color-gray-50);
}

.products-grid {
    display: grid;
    gap: var(--space-6);
}

@media (min-width: 640px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.product-card {
    position: relative;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-slow);
}

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

.product-card--featured {
    border: 2px solid var(--color-accent);
}

.product-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    padding: var(--space-1) var(--space-3);
    background: var(--color-accent);
    color: var(--color-white);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    z-index: 1;
}

.product-image {
    position: relative;
    aspect-ratio: 1;
    background: var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
}

.product-image img {
    max-height: 100%;
    object-fit: contain;
}

.product-content {
    padding: var(--space-5);
}

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

.product-desc {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--space-3);
    line-height: var(--leading-relaxed);
}

.product-tag {
    display: inline-block;
    padding: var(--space-1) var(--space-2);
    background: var(--color-primary-pale);
    color: var(--color-primary-dark);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   Services Section - Tabbed Layout with Images
   -------------------------------------------------------------------------- */
.services {
    background: var(--color-gray-50);
}

/* Service Tabs Navigation */
.service-tabs {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
    .service-tabs {
        flex-direction: row;
        justify-content: center;
        gap: var(--space-3);
    }
}

.service-tab {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-gray-600);
    transition: all var(--transition-base);
    cursor: pointer;
}

.service-tab svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.service-tab:hover {
    border-color: var(--color-primary-light);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.service-tab:hover svg {
    transform: scale(1.1);
}

.service-tab.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.service-tab:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Service Panels */
.service-panels {
    position: relative;
}

.service-panel {
    display: none;
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    animation: fadeSlideIn 0.4s ease-out;
}

.service-panel.active {
    display: grid;
}

@media (min-width: 1024px) {
    .service-panel.active {
        grid-template-columns: 1fr 1fr;
    }
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Service Panel Image */
.service-panel-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

@media (min-width: 1024px) {
    .service-panel-image {
        aspect-ratio: auto;
        min-height: 400px;
    }
}

.service-panel-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.service-panel:hover .service-panel-image img {
    transform: scale(1.05);
}

.service-panel-badge {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-white);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.service-panel-badge svg {
    width: 18px;
    height: 18px;
}

/* Service Panel Content */
.service-panel-content {
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

@media (min-width: 1024px) {
    .service-panel-content {
        padding: var(--space-12);
    }
}

.service-panel-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
    color: var(--color-gray-900);
}

@media (min-width: 768px) {
    .service-panel-title {
        font-size: var(--text-3xl);
    }
}

.service-panel-desc {
    color: var(--color-gray-600);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

.service-panel-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
}

.service-panel-features li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-gray-700);
}

.service-panel-features li svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Testimonials Section
   -------------------------------------------------------------------------- */
.testimonials {
    background: var(--color-gray-50);
}

.testimonials-grid {
    display: grid;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-8);
    }
}

.testimonial-card {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.testimonial-quote {
    margin-bottom: var(--space-4);
}

.quote-icon {
    width: 32px;
    height: 32px;
    color: var(--color-primary-light);
    opacity: 0.5;
}

.testimonial-text {
    font-size: var(--text-base);
    color: var(--color-gray-700);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--text-sm);
}

.author-name {
    display: block;
    font-weight: 600;
    color: var(--color-gray-900);
}

.author-role {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.cta {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    padding: var(--space-16) 0;
}

@media (min-width: 768px) {
    .cta {
        padding: var(--space-20) 0;
    }
}

.cta-content {
    text-align: center;
    color: var(--color-white);
}

.cta-title {
    font-size: var(--text-3xl);
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
    .cta-title {
        font-size: var(--text-4xl);
    }
}

.cta-text {
    max-width: 600px;
    margin: 0 auto var(--space-8);
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.9);
}

.cta .btn-primary {
    background: var(--color-accent);
}

.cta .btn-primary:hover {
    background: var(--color-accent-dark);
}

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
.contact-grid {
    display: grid;
    gap: var(--space-10);
}

@media (min-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr 1.2fr;
        gap: var(--space-12);
    }
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.contact-card {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-5);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
}

.contact-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    background: var(--color-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-white);
}

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

.contact-details p,
.contact-details address {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    line-height: var(--leading-relaxed);
}

.contact-details a:hover {
    color: var(--color-primary);
}

/* Contact Form */
.contact-form {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-row {
    display: grid;
    gap: var(--space-5);
}

@media (min-width: 640px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: var(--space-2);
}

.required {
    color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: inherit;
    font-size: var(--text-base);
    color: var(--color-gray-900);
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-pale);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--color-error);
}

.form-input.error:focus,
.form-select.error:focus,
.form-textarea.error:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-select {
    appearance: none;
    background-image: url('data:image/svg+xml,<svg viewBox="0 0 16 16" fill="%236b7280" xmlns="http://www.w3.org/2000/svg"><path d="M4.427 6.427l3.396 3.396a.25.25 0 00.354 0l3.396-3.396A.25.25 0 0011.396 6H4.604a.25.25 0 00-.177.427z"/></svg>');
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
    background-size: 16px;
    padding-right: var(--space-10);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-error {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-error);
    margin-top: var(--space-1);
}

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

.footer-grid {
    display: grid;
    gap: var(--space-10);
    padding-bottom: var(--space-12);
    border-bottom: 1px solid var(--color-gray-800);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
        gap: var(--space-8);
    }
}

.footer-brand .logo {
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.footer-desc {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-5);
}

.footer-certifications {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.cert-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--color-gray-800);
    color: var(--color-gray-400);
    font-size: var(--text-xs);
    font-weight: 500;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-gray-700);
}

.footer-heading {
    font-size: var(--text-base);
    color: var(--color-white);
    margin-bottom: var(--space-5);
}

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

.footer-links a {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-primary-light);
}

.footer-contact address {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

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

.footer-contact a:hover {
    color: var(--color-primary-light);
}

/* Footer Bottom */
.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-6) 0;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-bottom p {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

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

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-gray-800);
    border-radius: var(--radius-md);
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.footer-social svg {
    width: 18px;
    height: 18px;
}

/* --------------------------------------------------------------------------
   Back to Top Button
   -------------------------------------------------------------------------- */
.back-to-top {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-4px);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

/* --------------------------------------------------------------------------
   Modal
   -------------------------------------------------------------------------- */
.modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 400px;
    background: var(--color-white);
    padding: var(--space-10);
    border-radius: var(--radius-2xl);
    text-align: center;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9);
    transition: transform var(--transition-base);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    color: var(--color-gray-400);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

.modal-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--color-primary-pale);
    border-radius: 50%;
    margin-bottom: var(--space-6);
}

.modal-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.modal-content h3 {
    margin-bottom: var(--space-3);
}

.modal-content p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-6);
}

/* --------------------------------------------------------------------------
   Scroll Animations
   -------------------------------------------------------------------------- */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* --------------------------------------------------------------------------
   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;
    }
}