/* ============================================================
   Samo Solutions — Master Stylesheet
   ============================================================ */

/* ============================================================
   0. CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
    /* Brand Colors — Teal & Amber palette */
    --color-primary: #1CA6AF;
    --color-primary-dark: #178F97;
    --color-primary-light: #4FC4CC;
    --color-primary-subtle: #EAF5F5;
    --color-accent: #F2A341;
    --color-accent-dark: #D98E35;
    --color-heading: #31587C;
    --color-body: rgba(50,89,125,0.77);

    /* Gradient */
    --gradient-primary: linear-gradient(135deg, #1CA6AF 0%, #178F97 100%);
    --gradient-hero: linear-gradient(135deg, #31587C 0%, #1CA6AF 100%);
    --gradient-dark: linear-gradient(180deg, #31587C 0%, #1E3A54 100%);
    --gradient-card: linear-gradient(135deg, rgba(28,166,175,0.05) 0%, rgba(242,163,65,0.05) 100%);

    /* Neutrals */
    --color-white: #FFFFFF;
    --color-gray-50: #F8FAFC;
    --color-gray-100: #F1F5F9;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #64748B;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1E293B;
    --color-gray-900: #0F172A;

    /* Semantic */
    --color-success: #10B981;
    --color-error: #EF4444;
    --color-warning: #F59E0B;

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

    /* Sizing */
    --header-height: 80px;
    --container-max: 1200px;
    --container-narrow: 800px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.04);
    --shadow-glow: 0 0 40px rgba(28,166,175,0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-body);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-heading);
    line-height: 1.2;
}

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

.container-narrow {
    max-width: var(--container-narrow);
}

.section {
    padding: 100px 0;
}

.section-alt {
    background-color: var(--color-gray-50);
}

.section-dark {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    position: relative;
    overflow: hidden;
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
    color: var(--color-white);
}

/* ============================================================
   3. HEADER / NAVIGATION
   ============================================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    transition: background var(--transition-base), box-shadow var(--transition-base), height var(--transition-base);
    background: transparent;
}

.site-header.scrolled {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    height: 68px;
}

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

.logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.logo-img {
    height: 40px;
    width: auto;
    transition: height var(--transition-base);
}

.site-header.scrolled .logo-img {
    height: 34px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-white);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.site-header.scrolled .nav-link {
    color: var(--color-gray-700);
}

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

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

.nav-cta {
    background: var(--color-accent) !important;
    color: var(--color-white) !important;
    border-radius: 30px;
    padding: 10px 28px;
    font-weight: 600;
}

.nav-cta:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 8px;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: all var(--transition-base);
}

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

.mobile-toggle.open .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.open .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.open .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.2;
    transform: scale(1.05);
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    0% { transform: scale(1.05); }
    100% { transform: scale(1.15); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, #1a2d42 0%, #31587C 40%, #1CA6AF 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 80px 0;
    max-width: 850px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 50px;
    color: var(--color-accent);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    backdrop-filter: blur(10px);
    margin-bottom: 28px;
}

.hero-title {
    font-size: clamp(2.8rem, 7vw, 4.5rem);
    color: var(--color-white);
    margin-bottom: 24px;
    letter-spacing: -0.03em;
    line-height: 1.08;
}

.gradient-text {
    background: linear-gradient(135deg, #1CA6AF 0%, #F2A341 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.05rem, 2vw, 1.2rem);
    color: var(--color-gray-300);
    max-width: 680px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-line {
    width: 2px;
    height: 48px;
    background: linear-gradient(to bottom, var(--color-primary-light), transparent);
    border-radius: 2px;
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.4; height: 48px; }
    50% { opacity: 1; height: 60px; }
}

/* ============================================================
   5. PAGE HERO (Sub-pages)
   ============================================================ */
.page-hero {
    position: relative;
    padding: 160px 0 100px;
    overflow: hidden;
    text-align: center;
}

.page-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.12;
    transform: scale(1.05);
}

.page-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #31587C 0%, #1CA6AF 100%);
}

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

.page-hero-title {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    color: var(--color-white);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.page-hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-gray-300);
    max-width: 600px;
    margin: 0 auto;
}

.page-hero-sm {
    padding: 140px 0 80px;
}

.page-hero-minimal {
    background: linear-gradient(135deg, #31587C 0%, #1CA6AF 100%);
}

.page-hero-minimal .page-hero-title {
    color: var(--color-white);
}

.page-hero-minimal .page-hero-subtitle {
    color: var(--color-gray-400);
}

/* ============================================================
   6. BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    gap: 8px;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(242,163,65,0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(242,163,65,0.4);
    background: var(--color-accent-dark);
    color: var(--color-white);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: 30px;
}

.btn-secondary:hover {
    background: var(--color-primary-subtle);
    transform: translateY(-2px);
    color: var(--color-primary);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 30px;
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 20px 40px;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* ============================================================
   7. SECTION HEADERS
   ============================================================ */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.section-dark .section-label {
    color: var(--color-accent);
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-gray-500);
    line-height: 1.7;
}

.section-dark .section-subtitle {
    color: var(--color-gray-400);
}

.section-cta {
    text-align: center;
    margin-top: 48px;
}

/* ============================================================
   8. SERVICES PREVIEW GRID (Home)
   ============================================================ */
.services-preview {
    background: var(--color-gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: all var(--transition-slow);
    border: 1px solid var(--color-gray-100);
    position: relative;
    overflow: hidden;
}

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

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0px 30px 30px -10px rgba(0,0,0,0.05);
    border-color: transparent;
}

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

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-subtle);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
    margin-bottom: 20px;
    transition: all var(--transition-base);
}

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

.service-card-title {
    font-size: 1.15rem;
    margin-bottom: 12px;
    font-weight: 600;
}

.service-card-text {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    line-height: 1.65;
}

/* ============================================================
   9. WHY CHOOSE US
   ============================================================ */
.why-us {
    position: relative;
}

.why-us-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.06;
}

.why-us-overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-dark);
}

.why-us-content {
    position: relative;
    z-index: 2;
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.why-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: all var(--transition-slow);
    backdrop-filter: blur(10px);
}

.why-card:hover {
    background: rgba(255,255,255,0.07);
    border-color: rgba(255,255,255,0.15);
    transform: translateY(-4px);
}

.why-number {
    display: none;
}

.why-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(28,166,175,0.15) 0%, rgba(242,163,65,0.15) 100%);
    border: 1px solid rgba(28,166,175,0.25);
    color: var(--color-accent);
    margin-bottom: 20px;
    transition: all var(--transition-slow);
}

.why-card:hover .why-icon {
    background: linear-gradient(135deg, rgba(28,166,175,0.25) 0%, rgba(242,163,65,0.25) 100%);
    border-color: rgba(28,166,175,0.4);
    transform: scale(1.08);
}

.why-card-title {
    font-size: 1.15rem;
    color: var(--color-white);
    margin-bottom: 12px;
    font-weight: 600;
}

.why-card-text {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    line-height: 1.65;
}

/* ============================================================
   10. TECHNOLOGIES
   ============================================================ */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding: 28px 16px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-100);
    border-radius: var(--radius-md);
    transition: all var(--transition-slow);
    text-align: center;
}

.tech-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-subtle);
}

.tech-icon-wrap {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-subtle);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.tech-item:hover .tech-icon-wrap {
    background: var(--gradient-primary);
    color: var(--color-white);
}

.tech-item span {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-700);
}

/* ============================================================
   11. CTA SECTION
   ============================================================ */
.cta-section {
    background: var(--color-gray-50);
}

.cta-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    background: linear-gradient(135deg, #1CA6AF 0%, #31587C 100%);
    border-radius: var(--radius-xl);
    padding: 64px;
    overflow: hidden;
    position: relative;
    box-shadow: 0px 40px 50px -10px rgba(0,0,0,0.2);
}

.cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(28,166,175,0.3) 0%, transparent 70%);
    pointer-events: none;
}

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

.cta-content .section-label {
    color: var(--color-accent);
}

.cta-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    color: var(--color-white);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.cta-text {
    color: var(--color-gray-400);
    margin-bottom: 32px;
    font-size: 1rem;
    line-height: 1.7;
}

.cta-visual {
    position: relative;
    z-index: 2;
}

.cta-image {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    width: 100%;
}

/* ============================================================
   12. SERVICE DETAIL (Services Page)
   ============================================================ */
.service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

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

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

.service-detail-content .section-label {
    margin-bottom: 12px;
}

.service-detail-content .section-title {
    text-align: left;
    margin-bottom: 20px;
}

.service-detail-content p {
    margin-bottom: 16px;
    color: var(--color-gray-600);
    line-height: 1.75;
}

.service-features {
    margin: 24px 0 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.9375rem;
    color: var(--color-gray-600);
}

.service-features li::before {
    content: '';
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 2px;
    background: var(--color-primary-subtle);
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%231CA6AF' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

.service-detail-visual img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
}

/* ============================================================
   13. CONTACT SECTION
   ============================================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: start;
}

.contact-info-title {
    font-size: 1.8rem;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.contact-info-text {
    color: var(--color-gray-500);
    margin-bottom: 36px;
    line-height: 1.75;
}

.contact-highlights {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-highlight {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

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

.contact-highlight h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.contact-highlight p {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    line-height: 1.5;
}

/* Contact Form */
.contact-form-wrap {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

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

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 6px;
}

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

.form-input {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-gray-800);
    background: var(--color-gray-50);
    border: 1.5px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(28,166,175,0.1);
    background: var(--color-white);
}

.form-input::placeholder {
    color: var(--color-gray-400);
}

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

/* Checkbox */
.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--color-gray-600);
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    flex-shrink: 0;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.checkbox-text a {
    text-decoration: underline;
}

.form-note {
    font-size: 0.8125rem;
    color: var(--color-gray-400);
    text-align: center;
    margin-top: 8px;
}

/* Form States */
.form-errors {
    background: #FEF2F2;
    border: 1px solid #FECACA;
    border-radius: var(--radius-sm);
    padding: 20px;
    margin-bottom: 24px;
    color: var(--color-error);
    font-size: 0.875rem;
}

.form-errors strong {
    display: block;
    margin-bottom: 8px;
}

.form-errors ul {
    list-style: disc;
    padding-left: 20px;
}

.form-errors li {
    margin-bottom: 4px;
}

.form-success {
    text-align: center;
    padding: 48px 24px;
}

.form-success-icon {
    color: var(--color-success);
    margin-bottom: 20px;
}

.form-success h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.form-success p {
    color: var(--color-gray-500);
    margin-bottom: 28px;
}

/* reCAPTCHA container */
.g-recaptcha {
    margin-bottom: 4px;
}

/* ============================================================
   14. LEGAL / TERMS / PRIVACY
   ============================================================ */
.legal-content {
    padding-bottom: 80px;
}

.legal-body h2 {
    font-size: 1.35rem;
    margin-top: 40px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-gray-100);
    letter-spacing: -0.01em;
}

.legal-body h2:first-child {
    margin-top: 0;
}

.legal-body p {
    margin-bottom: 14px;
    color: var(--color-gray-600);
    line-height: 1.8;
}

.legal-body ul,
.legal-body ol {
    margin: 12px 0 20px;
    padding-left: 28px;
}

.legal-body li {
    list-style: disc;
    margin-bottom: 8px;
    color: var(--color-gray-600);
    line-height: 1.7;
}

.legal-body a {
    text-decoration: underline;
}

.legal-body strong {
    color: var(--color-gray-800);
}

/* ============================================================
   15. 404 ERROR PAGE
   ============================================================ */
.error-page {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: var(--header-height);
}

.error-code {
    font-family: var(--font-heading);
    font-size: clamp(6rem, 15vw, 10rem);
    font-weight: 800;
    background: linear-gradient(135deg, #1CA6AF 0%, #F2A341 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
}

.error-title {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.error-text {
    color: var(--color-gray-500);
    margin-bottom: 32px;
}

.error-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.error-actions .btn-outline {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.error-actions .btn-outline:hover {
    background: var(--color-primary-subtle);
    color: var(--color-primary);
}

/* ============================================================
   16. FOOTER
   ============================================================ */
.site-footer {
    background: var(--color-gray-900);
    color: var(--color-gray-400);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo-img {
    height: 36px;
    width: auto;
    margin-bottom: 16px;
    filter: brightness(0) invert(1);
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    line-height: 1.65;
}

.footer-heading {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

.footer-links li:not(:has(a)) {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.footer-bottom {
    padding: 24px 0;
}

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

.footer-legal p {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-bottom: 4px;
}

/* ============================================================
   17. ANIMATIONS
   ============================================================ */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.7s ease forwards;
}

.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered children */
.services-grid .service-card:nth-child(2).visible { transition-delay: 0.1s; }
.services-grid .service-card:nth-child(3).visible { transition-delay: 0.2s; }
.services-grid .service-card:nth-child(4).visible { transition-delay: 0.3s; }
.services-grid .service-card:nth-child(5).visible { transition-delay: 0.4s; }
.services-grid .service-card:nth-child(6).visible { transition-delay: 0.5s; }

.tech-grid .tech-item:nth-child(2).visible { transition-delay: 0.07s; }
.tech-grid .tech-item:nth-child(3).visible { transition-delay: 0.14s; }
.tech-grid .tech-item:nth-child(4).visible { transition-delay: 0.21s; }
.tech-grid .tech-item:nth-child(5).visible { transition-delay: 0.28s; }
.tech-grid .tech-item:nth-child(6).visible { transition-delay: 0.35s; }
.tech-grid .tech-item:nth-child(7).visible { transition-delay: 0.42s; }
.tech-grid .tech-item:nth-child(8).visible { transition-delay: 0.49s; }

.why-us-grid .why-card:nth-child(2).visible { transition-delay: 0.1s; }
.why-us-grid .why-card:nth-child(3).visible { transition-delay: 0.2s; }
.why-us-grid .why-card:nth-child(4).visible { transition-delay: 0.3s; }

/* ============================================================
   18. RESPONSIVE — TABLET
   ============================================================ */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tech-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .why-us-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cta-card {
        padding: 48px;
    }

    .service-detail-grid {
        gap: 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

/* ============================================================
   19. RESPONSIVE — MOBILE
   ============================================================ */
@media (max-width: 768px) {
    :root {
        --header-height: 68px;
    }

    .section {
        padding: 72px 0;
    }

    .mobile-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-gray-900);
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-slow);
        z-index: 1000;
    }

    .main-nav.open {
        opacity: 1;
        visibility: visible;
    }

    .main-nav .nav-list {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .main-nav .nav-link {
        font-size: 1.25rem;
        padding: 14px 32px;
        color: var(--color-white);
    }

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

    .mobile-toggle.open .hamburger-line {
        background: var(--color-white);
    }

    /* Hero */
    .hero {
        min-height: 90vh;
    }

    .hero-content {
        padding: 40px 0;
    }

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

    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
    }

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

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

    .why-us-grid {
        grid-template-columns: 1fr;
    }

    .service-detail-grid,
    .service-detail-grid.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
        gap: 32px;
    }

    .service-detail-content .section-title {
        text-align: center;
    }

    .service-detail-content .section-label {
        display: block;
        text-align: center;
    }

    .service-detail-content {
        text-align: center;
    }

    .service-features {
        text-align: left;
    }

    .service-detail-content .btn {
        width: 100%;
    }

    /* CTA */
    .cta-card {
        grid-template-columns: 1fr;
        padding: 36px 28px;
        text-align: center;
    }

    .cta-visual {
        display: none;
    }

    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-form-wrap {
        padding: 28px 20px;
    }

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

    /* Page heroes */
    .page-hero {
        padding: 120px 0 64px;
    }

    .page-hero-sm {
        padding: 110px 0 56px;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* ============================================================
   20. RESPONSIVE — SMALL MOBILE
   ============================================================ */
@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .tech-item {
        padding: 20px 12px;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 6px 14px;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .service-card {
        padding: 28px 20px;
    }
}

/* ============================================================
   21. PRINT
   ============================================================ */
@media print {
    .site-header,
    .mobile-toggle,
    .hero-scroll-indicator,
    .cta-section,
    .btn {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding: 40px 0;
    }

    .hero-overlay {
        background: none;
    }

    .hero-title,
    .hero-subtitle {
        color: #000;
    }

    .section {
        padding: 32px 0;
    }

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