/* ============================================================
   ZHER-KÖMEK — PREMIUM LANDING PAGE
   Design System: Dark Premium with Gold Accents
   ============================================================ */

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

:root {
    /* Colors — Premium Dark Palette with Gold */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-bg-tertiary: #1a1a1a;
    --color-bg-card: #141414;
    --color-bg-card-hover: #1c1c1c;
    --color-bg-elevated: rgba(255, 255, 255, 0.03);

    --color-gold: #C9A96E;
    --color-gold-light: #DFC28E;
    --color-gold-dark: #A88A50;
    --color-gold-glow: rgba(201, 169, 110, 0.15);
    --color-gold-subtle: rgba(201, 169, 110, 0.08);

    --color-text-primary: #F5F2ED;
    --color-text-secondary: #9B9590;
    --color-text-tertiary: #6B6560;
    --color-text-inverse: #0a0a0a;

    --color-border: rgba(255, 255, 255, 0.06);
    --color-border-hover: rgba(255, 255, 255, 0.12);
    --color-border-gold: rgba(201, 169, 110, 0.25);

    --color-success: #4CAF50;
    --color-warning: #C9A96E;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.25rem;
    --text-6xl: 4rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* Layout */
    --container-max: 1200px;
    --container-padding: var(--space-6);

    /* Borders */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
    --shadow-gold: 0 0 40px rgba(201, 169, 110, 0.12);

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --duration-fast: 200ms;
    --duration-normal: 350ms;
    --duration-slow: 600ms;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

::selection {
    background-color: var(--color-gold);
    color: var(--color-text-inverse);
}

/* ---- Utility Classes ---- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-16);
}

.section-label {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-gold);
    margin-bottom: var(--space-6);
    padding: var(--space-2) var(--space-4);
    border: 1px solid var(--color-border-gold);
    border-radius: var(--radius-full);
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-6);
}

html[lang="kk"] .section-title {
    line-height: 1.35;
}


.section-desc {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
    max-width: 680px;
    margin: 0 auto;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: 600;
    padding: var(--space-4) var(--space-8);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    text-decoration: none;
    line-height: 1.4;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: var(--color-text-inverse);
    box-shadow: var(--shadow-md), 0 0 30px rgba(201, 169, 110, 0.2);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 50px rgba(201, 169, 110, 0.3);
    background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
}

.btn--primary:active {
    transform: translateY(0);
}

.btn--ghost {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-hover);
    padding: var(--space-4) var(--space-8);
}

.btn--ghost:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    background: var(--color-gold-subtle);
}

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

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

/* ---- Animations ---- */
.animate-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s var(--ease-out) forwards;
}

.animate-in:nth-child(1) { animation-delay: 0.1s; }
.animate-in:nth-child(2) { animation-delay: 0.25s; }
.animate-in:nth-child(3) { animation-delay: 0.4s; }
.animate-in:nth-child(4) { animation-delay: 0.55s; }
.animate-in:nth-child(5) { animation-delay: 0.7s; }

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

.animate-on-scroll {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--space-5) 0;
    transition: all var(--duration-normal) var(--ease-out);
}

.nav.scrolled {
    padding: var(--space-3) 0;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--color-border);
}

.nav__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 700;
    font-size: var(--text-lg);
    letter-spacing: 0.05em;
    transition: opacity var(--duration-fast);
}

.nav__logo:hover { opacity: 0.8; }

.nav__logo-icon {
    color: var(--color-gold);
    font-size: var(--text-xl);
}

.nav__logo-accent {
    color: var(--color-gold);
}

.nav__links {
    display: flex;
    list-style: none;
    gap: var(--space-10);
}

.nav__links a {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--duration-fast);
    position: relative;
}

.nav__links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-gold);
    transition: width var(--duration-normal) var(--ease-out);
}

.nav__links a:hover {
    color: var(--color-text-primary);
}

.nav__links a:hover::after {
    width: 100%;
}

.nav__cta {
    display: inline-flex;
    align-items: center;
    font-size: var(--text-sm);
    font-weight: 600;
    padding: var(--space-2) var(--space-6);
    border: 1px solid var(--color-border-gold);
    border-radius: var(--radius-sm);
    color: var(--color-gold);
    transition: all var(--duration-normal) var(--ease-out);
}

.nav__cta:hover {
    background: var(--color-gold);
    color: var(--color-text-inverse);
}

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

.nav__lang {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2px;
}

.nav__lang-btn {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-text-secondary);
    padding: var(--space-1) var(--space-2);
    border-radius: calc(var(--radius-md) - 2px);
    transition: all var(--duration-fast);
    display: flex;
    align-items: center;
    gap: 6px;
    letter-spacing: 0.05em;
    text-decoration: none;
}

.nav__lang-btn:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav__lang-btn.active {
    color: var(--color-bg-base);
    background: var(--color-gold);
}

.nav__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.nav__burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--duration-fast);
    border-radius: 1px;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-32) 0 var(--space-28);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.35) saturate(0.7);
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(180deg, 
            rgba(10, 10, 10, 0.5) 0%, 
            rgba(10, 10, 10, 0.3) 40%, 
            rgba(10, 10, 10, 0.7) 80%, 
            rgba(10, 10, 10, 1) 100%),
        linear-gradient(90deg, 
            rgba(10, 10, 10, 0.8) 0%, 
            rgba(10, 10, 10, 0) 60%);
}

.hero__container {
    position: relative;
    z-index: 1;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-gold);
    padding: var(--space-2) var(--space-4);
    background: var(--color-gold-subtle);
    border: 1px solid var(--color-border-gold);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-8);
}

.hero__badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero__title {
    font-family: var(--font-display);
    font-size: var(--text-6xl);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-8);
    max-width: 800px;
}

html[lang="kk"] .hero__title {
    line-height: 1.25;
}

.hero__title-accent {
    color: var(--color-gold);
    font-style: italic;
}

.hero__subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
    max-width: 600px;
    margin-bottom: var(--space-10);
}

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

.hero__actions {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-16);
}

.hero__stats {
    display: flex;
    gap: var(--space-12);
    padding-top: var(--space-10);
    border-top: 1px solid var(--color-border);
}

.hero__stat {
    display: flex;
    flex-direction: column;
}

.hero__stat-value {
    display: flex;
    align-items: baseline;
    gap: 2px;
}

.hero__stat-number {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-gold);
    line-height: 1;
}

.hero__stat-suffix {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-gold);
}

.hero__stat-label {
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
    margin-top: var(--space-2);
    line-height: 1.4;
}

.hero__stat-divider {
    width: 1px;
    background: var(--color-border);
}

.hero__scroll-indicator {
    position: absolute;
    bottom: var(--space-4);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    z-index: 1;
}

.hero__scroll-indicator span {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-tertiary);
}

.hero__scroll-line {
    width: 1px;
    height: 24px;
    background: linear-gradient(180deg, var(--color-gold), transparent);
    animation: scrollLine 1.5s ease-in-out infinite;
}

@media (max-height: 900px) {
    .hero__scroll-indicator {
        display: none;
    }
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; opacity: 1; }
    50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
    51% { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
    100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ============================================================
   PROBLEM SECTION
   ============================================================ */
.problem {
    padding: var(--space-32) 0;
    background: var(--color-bg-secondary);
    position: relative;
}

.problem::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.problem__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-16);
}

.problem__card {
    padding: var(--space-10);
    border-radius: var(--radius-lg);
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.problem__card--dark {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.problem__card--dark:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.problem__card--dark::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-gold), transparent);
    opacity: 0;
    transition: opacity var(--duration-normal);
}

.problem__card--dark:hover::before {
    opacity: 1;
}

.problem__card-icon {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
}

.problem__card-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

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

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

.problem__bottom {
    text-align: center;
}

.problem__stat-block {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-10) var(--space-16);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-gold);
    border-radius: var(--radius-lg);
    max-width: 640px;
}

.problem__stat-big {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: 800;
    color: var(--color-gold);
    line-height: 1;
}

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

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

/* ============================================================
   SERVICE SECTION
   ============================================================ */
.service {
    padding: var(--space-32) 0;
    position: relative;
}

.service__timeline {
    max-width: 780px;
    margin: 0 auto var(--space-16);
    position: relative;
}

.service__step {
    display: flex;
    gap: var(--space-8);
    margin-bottom: var(--space-12);
    position: relative;
}

.service__step:last-child {
    margin-bottom: 0;
}

.service__step-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}

.service__step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: 2px solid var(--color-gold);
    border-radius: 50%;
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-gold);
    background: var(--color-bg-primary);
    position: relative;
    z-index: 1;
}

.service__step-line {
    width: 2px;
    flex: 1;
    background: linear-gradient(180deg, var(--color-gold), var(--color-border));
    margin-top: var(--space-2);
    min-height: 40px;
}

.service__step:last-child .service__step-line {
    display: none;
}

.service__step-content {
    padding-top: var(--space-2);
    padding-bottom: var(--space-4);
}

.service__step-icon {
    color: var(--color-gold);
    margin-bottom: var(--space-4);
}

.service__step-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

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

/* Service Price Card */
.service__price {
    display: flex;
    justify-content: center;
}

.service__price-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-gold);
    border-radius: var(--radius-xl);
    padding: var(--space-12);
    max-width: 520px;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.service__price-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-gold-dark), var(--color-gold), var(--color-gold-dark));
}

.service__price-header {
    text-align: center;
    margin-bottom: var(--space-10);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--color-border);
}

.service__price-label {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-gold);
    display: block;
    margin-bottom: var(--space-4);
}

.service__price-amount {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.service__price-note {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

.service__price-includes {
    list-style: none;
    margin-bottom: var(--space-10);
}

.service__price-includes li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border);
}

.service__price-includes li:last-child {
    border-bottom: none;
}

.service__price-includes svg {
    flex-shrink: 0;
}

/* ============================================================
   EXPERTISE SECTION
   ============================================================ */
.expertise {
    padding: var(--space-32) 0;
    background: var(--color-bg-secondary);
    position: relative;
}

.expertise::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.expertise__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

.expertise__text {
    margin-top: var(--space-6);
}

.expertise__text p {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.9;
    margin-bottom: var(--space-6);
}

.expertise__text p:last-child {
    margin-bottom: 0;
}

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

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

.expertise__metric {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    gap: 0;
    transition: all var(--duration-normal) var(--ease-out);
}

.expertise__metric:hover {
    border-color: var(--color-border-gold);
    transform: translateY(-4px);
    box-shadow: var(--shadow-gold);
}

.expertise__metric-icon {
    margin-bottom: var(--space-5);
    color: var(--color-gold);
}

.expertise__metric-value {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.2;
    margin-bottom: var(--space-1);
}

.expertise__metric-label {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
    line-height: 1.4;
}

/* ============================================================
   ECOSYSTEM SECTION
   ============================================================ */
.ecosystem {
    padding: var(--space-32) 0;
    position: relative;
}

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

.ecosystem__card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-out);
}

.ecosystem__card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.ecosystem__card-img {
    height: 280px;
    overflow: hidden;
}

.ecosystem__card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

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

.ecosystem__card-body {
    padding: var(--space-8);
}

.ecosystem__card-tag {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-gold);
    padding: var(--space-1) var(--space-3);
    background: var(--color-gold-subtle);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-4);
}

.ecosystem__card-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.ecosystem__card-text {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-6);
}

.ecosystem__card-features {
    list-style: none;
}

.ecosystem__card-features li {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    padding: var(--space-2) 0;
    padding-left: var(--space-6);
    position: relative;
}

.ecosystem__card-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 6px;
    height: 6px;
    border: 1px solid var(--color-gold);
    border-radius: 50%;
    transform: translateY(-50%);
}

.ecosystem__card--info {
    display: flex;
    align-items: center;
}

.ecosystem__card--info .ecosystem__card-body {
    padding: var(--space-10);
}

.ecosystem__info-icon {
    color: var(--color-gold);
    margin-bottom: var(--space-6);
}

.ecosystem__flow {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
}

.ecosystem__flow svg {
    color: var(--color-text-tertiary);
}

.ecosystem__flow-step {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

.ecosystem__flow-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    font-size: var(--text-xs);
    font-weight: 600;
}

.ecosystem__flow-step--active {
    color: var(--color-gold);
}

.ecosystem__flow-step--active .ecosystem__flow-num {
    border-color: var(--color-gold);
    background: var(--color-gold-subtle);
}

/* ============================================================
   LEGAL SECTION
   ============================================================ */
.legal {
    padding: var(--space-20) 0;
    position: relative;
}

.legal__card {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: var(--space-12);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    position: relative;
}

.legal__card::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 20%;
    right: 20%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.legal__icon {
    color: var(--color-gold);
    margin-bottom: var(--space-6);
}

.legal__title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 600;
    margin-bottom: var(--space-6);
}

.legal__text {
    max-width: 600px;
    margin: 0 auto;
}

.legal__text p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-4);
}

.legal__text p:last-child {
    margin-bottom: var(--space-8);
}

.legal__seal {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-gold);
    padding: var(--space-2) var(--space-4);
    border: 1px solid var(--color-border-gold);
    border-radius: var(--radius-full);
}

/* ============================================================
   FAQ SECTION
   ============================================================ */
.faq {
    padding: var(--space-32) 0;
    background: var(--color-bg-secondary);
    position: relative;
}

.faq::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.faq__list {
    max-width: 780px;
    margin: 0 auto;
}

.faq__item {
    border-bottom: 1px solid var(--color-border);
}

.faq__item:first-child {
    border-top: 1px solid var(--color-border);
}

.faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-6) 0;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--color-text-primary);
    text-align: left;
    transition: color var(--duration-fast);
    gap: var(--space-4);
}

.faq__question:hover {
    color: var(--color-gold);
}

.faq__chevron {
    flex-shrink: 0;
    color: var(--color-text-tertiary);
    transition: transform var(--duration-normal) var(--ease-out), color var(--duration-fast);
}

.faq__item.active .faq__chevron {
    transform: rotate(180deg);
    color: var(--color-gold);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-normal) var(--ease-out),
                padding var(--duration-normal) var(--ease-out);
}

.faq__item.active .faq__answer {
    max-height: 500px;
    padding-bottom: var(--space-6);
}

.faq__answer p {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

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

/* ============================================================
   CTA FINAL
   ============================================================ */
.cta-final {
    padding: var(--space-32) 0;
    position: relative;
}

.cta-final__card {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
    padding: var(--space-16) var(--space-12);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-gold);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.cta-final__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-gold-dark), var(--color-gold), var(--color-gold-dark));
}

.cta-final__card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at center, var(--color-gold-subtle) 0%, transparent 60%);
    pointer-events: none;
}

.cta-final__title {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-4);
    position: relative;
    z-index: 1;
}

.cta-final__text {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-10);
    max-width: 460px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.cta-final__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    position: relative;
    z-index: 1;
}

.cta-final__form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.cta-final__input,
.cta-final__select {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    color: var(--color-text-primary);
    transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}

.cta-final__select {
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%239B9590' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
    padding-right: var(--space-10);
}

.cta-final__input::placeholder {
    color: var(--color-text-tertiary);
}

.cta-final__input:focus,
.cta-final__select:focus {
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px var(--color-gold-subtle);
}

.cta-final__disclaimer {
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
    margin-top: var(--space-4);
    position: relative;
    z-index: 1;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-12);
    padding-bottom: var(--space-12);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-8);
}

.footer__tagline {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    line-height: 1.6;
    margin-top: var(--space-4);
}

.footer__heading {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-4);
}

.footer__nav ul,
.footer__contact ul {
    list-style: none;
}

.footer__nav li,
.footer__contact li {
    margin-bottom: var(--space-3);
}

.footer__nav a {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    transition: color var(--duration-fast);
}

.footer__nav a:hover {
    color: var(--color-gold);
}

.footer__contact li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.footer__contact a {
    transition: color var(--duration-fast);
}

.footer__contact a:hover {
    color: var(--color-gold);
}

.footer__contact svg {
    flex-shrink: 0;
    color: var(--color-text-tertiary);
}

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

.footer__bottom p {
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
}

.footer__legal-note {
    font-style: italic;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .hero__title {
        font-size: var(--text-5xl);
    }

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

    .expertise__layout {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .expertise__content {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

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

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

@media (max-width: 768px) {
    :root {
        --text-6xl: 2.75rem;
        --text-5xl: 2.25rem;
        --text-4xl: 1.875rem;
        --text-3xl: 1.5rem;
    }

    .nav__links,
    .nav__cta {
        display: none;
    }

    .nav__burger {
        display: flex;
    }

    /* Mobile menu */
    .nav__links.mobile-open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        justify-content: center;
        align-items: center;
        gap: var(--space-10);
        z-index: 999;
    }

    .nav__links.mobile-open a:not(.nav__lang-btn) {
        font-size: var(--text-2xl);
        color: var(--color-text-primary);
    }
    
    .nav__links.mobile-open .nav__lang-btn {
        font-size: var(--text-base);
        padding: var(--space-2) var(--space-4);
    }

    .hero {
        padding-top: var(--space-24);
        padding-bottom: var(--space-20);
    }

    .hero__title {
        font-size: var(--text-5xl);
    }

    .hero__stats {
        flex-direction: column;
        align-items: center;
        text-align: center;
        width: 100%;
        gap: var(--space-6);
    }

    .hero__stat {
        width: 100%;
        align-items: center;
        display: flex;
        flex-direction: column;
    }

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

    .hero__stat-number {
        font-size: var(--text-5xl);
        font-weight: 800;
    }

    .hero__stat-suffix {
        font-size: var(--text-3xl);
        font-weight: 800;
    }

    .hero__stat-label {
        font-size: var(--text-sm);
        color: var(--color-text-secondary);
        font-weight: 500;
        max-width: 280px;
    }

    .hero__stat-divider {
        width: 80px;
        height: 1px;
        margin: 0 auto;
    }

    .hero__actions {
        flex-direction: column;
    }

    .hero__actions .btn {
        justify-content: center;
    }

    .hero__scroll-indicator {
        display: none;
    }

    .section-header {
        margin-bottom: var(--space-10);
    }

    .problem,
    .service,
    .expertise,
    .ecosystem,
    .faq,
    .cta-final {
        padding: var(--space-20) 0;
    }

    .service__step {
        gap: var(--space-5);
    }

    .service__step-number {
        width: 40px;
        height: 40px;
    }

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

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

    .cta-final__card {
        padding: var(--space-10) var(--space-6);
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

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

    .problem__stat-block {
        padding: var(--space-8);
    }

    .problem__stat-big {
        font-size: var(--text-4xl);
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: var(--text-4xl);
    }

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

    .expertise__metric {
        display: grid;
        grid-template-columns: 1fr auto;
        grid-template-rows: auto auto;
        row-gap: var(--space-2);
        align-items: center;
        text-align: left;
        padding: var(--space-6);
    }

    .expertise__metric-icon {
        grid-column: 2;
        grid-row: 1 / 3;
        margin-bottom: 0;
        margin-left: var(--space-4);
    }

    .expertise__metric-icon svg {
        width: 56px;
        height: 56px;
    }

    .expertise__metric-value {
        grid-column: 1;
        grid-row: 1;
        font-size: var(--text-2xl);
    }

    .expertise__metric-label {
        grid-column: 1;
        grid-row: 2;
        font-size: var(--text-base);
    }

    .faq__question {
        font-size: var(--text-base);
    }
}

/* Custom Hero Form Styles added by Antigravity */
.hero__form {
    width: 100%;
    max-width: 500px;
    margin-bottom: var(--space-12);
    position: relative;
    z-index: 10;
}

.hero__form-group {
    display: flex;
    gap: var(--space-2);
    width: 100%;
}

.hero__input {
    flex: 1;
    padding: var(--space-4) var(--space-5);
    background: rgba(10, 10, 10, 0.75);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    color: var(--color-text-primary);
    outline: none;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.hero__input:focus {
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px var(--color-gold-glow);
}

@media (max-width: 576px) {
    .hero__form-group {
        flex-direction: column;
        gap: var(--space-3);
    }
}

/* ============================================================
   STRUCTURAL UPGRADES: WHATSAPP, VIDEO, CASES, VISUALIZATION
   ============================================================ */

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 64px;
    height: 64px;
    background-color: #25D366;
    color: #fff;
    border-radius: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0px 8px 24px rgba(37, 211, 102, 0.4);
    z-index: 100;
    transition: all var(--duration-normal) var(--ease-out);
    text-decoration: none;
}
.whatsapp-float:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0px 12px 30px rgba(37, 211, 102, 0.6);
}
.whatsapp-float svg {
    width: 36px;
    height: 36px;
    fill: currentColor;
}

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: var(--space-6);
        right: var(--space-6);
        width: 56px;
        height: 56px;
    }
    .whatsapp-float svg {
        width: 32px;
        height: 32px;
    }
}

/* Secondary Button - WhatsApp inline */
.btn--whatsapp {
    background-color: rgba(37, 211, 102, 0.1);
    color: #25D366;
    border-color: rgba(37, 211, 102, 0.3);
}
.btn--whatsapp:hover {
    background-color: #25D366;
    color: #ffffff;
    box-shadow: 0 0 20px rgba(37, 211, 102, 0.4), inset 0 0 0 1px #25D366;
}

/* Video Section */
.video-section {
    padding-top: var(--space-20);
}
.video-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: var(--space-8) auto 0;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border-gold);
    box-shadow: var(--shadow-gold);
    background: #000;
}
.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.cases {
    padding-top: var(--space-12);
}

/* Cases Grid (WhatsApp & Docs) */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-10);
}
.cases-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-out);
}
.cases-card:hover {
    border-color: var(--color-border-gold);
    transform: translateY(-4px);
    box-shadow: var(--shadow-gold);
}
.cases-card-img-wrap {
    width: 100%;
    height: 340px;
    background-color: #111;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--color-border);
}
.cases-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    cursor: zoom-in;
}
.cases-card:hover img {
    transform: scale(1.05);
}
.cases-card-text {
    padding: var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-text-primary);
    text-align: center;
    font-weight: 500;
}

/* Lightbox for Gallery */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: var(--space-4);
}

.lightbox.active {
    opacity: 1;
    pointer-events: auto;
}

.lightbox__content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
}

.lightbox__img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-dark);
}

.lightbox__close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: #fff;
    font-size: 32px;
    cursor: pointer;
    line-height: 1;
    padding: 4px;
    transition: color 0.2s;
}

.lightbox__close:hover {
    color: var(--color-gold);
}

/* Expectation vs Reality Visualization */
.problem-visualization {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    margin-top: var(--space-12);
}
.visual-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.visual-card--reality {
    border-color: rgba(255, 59, 48, 0.4); 
    background: linear-gradient(180deg, rgba(255, 59, 48, 0.03) 0%, transparent 100%);
}
.visual-card--expectation {
    border-color: rgba(52, 199, 89, 0.4);
    background: linear-gradient(180deg, rgba(52, 199, 89, 0.03) 0%, transparent 100%);
}
.visual-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
}
.visual-title--expectation { color: var(--color-success); }
.visual-title--reality { color: #ff3b30; }
.visual-img-container {
    height: 280px;
    border-radius: var(--radius-md);
    background: #111;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--color-border);
}
.visual-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 768px) {
    .problem-visualization {
        grid-template-columns: 1fr;
    }
}

/* ============================================ */
/* Video Testimonials                           */
/* ============================================ */
.video-testimonials {
    padding: var(--space-20) 0;
    background: var(--color-bg-primary);
}

.video-testimonials__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-4);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.video-testimonials__card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-out);
}

.video-testimonials__card:hover {
    border-color: var(--color-border-gold);
    transform: translateY(-4px);
    box-shadow: var(--shadow-gold);
}

.video-testimonials__video-wrap {
    position: relative;
    width: 100%;
    padding-top: 177.78%; /* 16:9 inverted = 9:16 aspect ratio */
    background: #000;
}

.video-testimonials__video-wrap iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-testimonials__caption {
    padding: var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-text-primary);
    text-align: center;
    font-weight: 500;
}

@media (max-width: 1024px) {
    .video-testimonials__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .video-testimonials__grid {
        grid-template-columns: 1fr;
        max-width: 320px;
        margin-left: auto;
        margin-right: auto;
    }
}