/* ================================================
   AuraIALabs — Premium Dark Mode Landing Page
   Color Principal: Lila #A855F7
   ================================================ */

/* ===== IMPORTS & VARIABLES ===== */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    /* --- Backgrounds --- */
    --bg-primary: #000000;
    --bg-secondary: #09090B;
    --bg-tertiary: #18181B;
    --bg-card: #0D0D10;

    /* --- Primary Accent: Lila #A855F7 --- */
    --primary-50: #faf5ff;
    --primary-100: #f3e8ff;
    --primary-200: #e9d5ff;
    --primary-300: #d8b4fe;
    --primary-400: #c084fc;
    --primary-500: #A855F7;
    /* BASE COLOR */
    --primary-600: #9333ea;
    --primary-700: #7e22ce;
    --primary-800: #6b21a8;
    --primary-900: #581c87;

    /* --- Primary RGB for rgba() --- */
    --primary-rgb: 168, 85, 247;

    /* --- Texts --- */
    --text-primary: #FFFFFF;
    --text-secondary: #E4E4E7;
    --text-tertiary: #A1A1AA;
    --text-quaternary: #71717A;

    /* --- Semantic --- */
    --success: #22C55E;
    --info: #3B82F6;
    --warning: #F59E0B;
    --error: #EF4444;

    /* --- Gradients --- */
    --gradient-primary: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-500) 50%, var(--primary-400) 100%);
    --gradient-glow: radial-gradient(ellipse at center, rgba(var(--primary-rgb), 0.18) 0%, transparent 70%);
    --gradient-bg: radial-gradient(ellipse at top, rgba(var(--primary-rgb), 0.12) 0%, transparent 55%);
    --gradient-text: linear-gradient(135deg, var(--primary-400) 0%, var(--primary-500) 50%, var(--primary-300) 100%);

    /* --- Spacing --- */
    --section-padding: 100px 0;
    --container-max: 1280px;
    --container-pad: clamp(20px, 5vw, 60px);

    /* --- Borders & Radius --- */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;

    /* --- Shadows --- */
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px rgba(var(--primary-rgb), 0.35), 0 0 60px rgba(var(--primary-rgb), 0.2);
    --shadow-float: 0 25px 50px -12px rgba(var(--primary-rgb), 0.3);

    /* --- Transitions --- */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

input,
textarea,
select {
    font-family: inherit;
}

/* ===== CONTAINERS ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
}

/* ===== TYPOGRAPHY ===== */
h1,
h2,
h3,
h4,
h5 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline;
}

/* ===== PARTICLE CANVAS (reemplaza sistema DOM anterior) ===== */
/* Ahora el fondo usa un <canvas> creado por JS — interactivo con el ratón */
.particles-container {
    display: none;
}

/* el div legacy ya no se usa */

#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}


/* ===== SECTION HEADER ===== */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--primary-400);
    background: rgba(var(--primary-rgb), 0.1);
    border: 1px solid rgba(var(--primary-rgb), 0.25);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 800;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-tertiary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===== BUTTONS ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-500) 30%, var(--primary-400) 60%, var(--primary-500) 100%);
    background-size: 200% 200%;
    animation: gradient-shift 4s ease infinite;
    color: #fff;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    font-size: 16px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    border: none;
    box-shadow:
        0 0 0 1px rgba(var(--primary-rgb), 0.4),
        0 4px 24px rgba(var(--primary-rgb), 0.45),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: all var(--transition-normal);
    will-change: transform;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    filter: brightness(1.12);
    box-shadow:
        0 0 0 2px rgba(var(--primary-rgb), 0.7),
        0 8px 40px rgba(var(--primary-rgb), 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.btn-primary:active {
    transform: translateY(0) scale(0.99);
}

.btn-primary.btn-lg {
    padding: 16px 32px;
    font-size: 17px;
}

.btn-primary.btn-xl {
    padding: 20px 44px;
    font-size: 18px;
    border-radius: var(--radius-lg);
}

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

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(var(--primary-rgb), 0.06);
    color: var(--primary-300);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 600;
    font-size: 16px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(var(--primary-rgb), 0.3);
    transition: all var(--transition-normal);
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}

.btn-outline:hover {
    background: rgba(var(--primary-rgb), 0.15);
    border-color: rgba(var(--primary-rgb), 0.6);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(var(--primary-rgb), 0.2);
}

.btn-outline.btn-lg {
    padding: 16px 32px;
    font-size: 17px;
}

.btn-nav {
    display: inline-flex;
    align-items: center;
    background: rgba(var(--primary-rgb), 0.12);
    color: var(--primary-300);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 600;
    font-size: 14px;
    padding: 10px 22px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(var(--primary-rgb), 0.3);
    transition: all var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
}

.btn-nav:hover {
    background: rgba(var(--primary-rgb), 0.25);
    border-color: rgba(var(--primary-rgb), 0.5);
    box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.3);
}

/* ===== GLASS CARD ===== */
.glass-card {
    background: linear-gradient(135deg,
            rgba(var(--primary-rgb), 0.07) 0%,
            rgba(var(--primary-rgb), 0.03) 50%,
            rgba(var(--primary-rgb), 0.07) 100%);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(var(--primary-rgb), 0.14);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow:
        var(--shadow-card),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
}

.glass-card:hover {
    border-color: rgba(var(--primary-rgb), 0.30);
    box-shadow:
        0 25px 50px -12px rgba(var(--primary-rgb), 0.30),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.07);
    transform: translateY(-4px);
}

/* ===== ANIMATIONS ===== */
@keyframes gradient-shift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    25% {
        transform: translateY(-18px) rotate(1.5deg);
    }

    50% {
        transform: translateY(-8px) rotate(-1.5deg);
    }

    75% {
        transform: translateY(-24px) rotate(0.8deg);
    }
}



@keyframes pulse-glow {

    0%,
    100% {
        box-shadow:
            0 0 0 1px rgba(var(--primary-rgb), 0.5),
            0 4px 24px rgba(var(--primary-rgb), 0.45),
            0 0 60px rgba(var(--primary-rgb), 0.3);
    }

    50% {
        box-shadow:
            0 0 0 3px rgba(var(--primary-rgb), 0.7),
            0 8px 40px rgba(var(--primary-rgb), 0.65),
            0 0 90px rgba(var(--primary-rgb), 0.5);
    }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(32px);
    }

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

@keyframes scale-in {
    from {
        opacity: 0;
        transform: scale(0.85);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes fade-in-rotate {
    from {
        opacity: 0;
        transform: scale(0.7) rotate(-8deg);
    }

    to {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

@keyframes scroll-dot {

    0%,
    100% {
        transform: translateY(0);
        opacity: 0.7;
    }

    50% {
        transform: translateY(12px);
        opacity: 0.2;
    }
}

@keyframes spin-slow {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes badge-pulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(var(--primary-rgb), 0.4);
    }

    50% {
        box-shadow: 0 0 0 6px rgba(var(--primary-rgb), 0);
    }
}

/* Entrada animation classes */
.anim-fade-up {
    opacity: 0;
    animation: fade-in-up 0.85s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.anim-scale-in {
    opacity: 0;
    animation: scale-in 0.7s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

.anim-fade-rotate {
    opacity: 0;
    animation: fade-in-rotate 1.3s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
}

.anim-delay-0 {
    animation-delay: 0s;
}

.anim-delay-1 {
    animation-delay: 0.15s;
}

.anim-delay-2 {
    animation-delay: 0.35s;
}

.anim-delay-3 {
    animation-delay: 0.6s;
}

.anim-delay-4 {
    animation-delay: 0.85s;
}

/* Scroll reveal */
.reveal-item,
.reveal-card {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-item.in-view,
.reveal-card.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* Floating */
.floating {
    animation: float 7s ease-in-out infinite;
}

/* Pulse CTA */
.pulse-cta {
    animation: gradient-shift 4s ease infinite, pulse-glow 3s ease-in-out infinite;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 20px 0;
    transition: all 0.35s ease;
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.82);
    backdrop-filter: blur(28px) saturate(200%);
    -webkit-backdrop-filter: blur(28px) saturate(200%);
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    padding: 12px 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-img {
    height: 44px;
    width: 44px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(var(--primary-rgb), 0.6));
}

.logo-text {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 20px;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.01em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-link {
    position: relative;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-tertiary);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background var(--transition-fast);
    text-decoration: none;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 14px;
    width: 0;
    height: 2px;
    background: var(--primary-500);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(var(--primary-rgb), 0.08);
}

.nav-link:hover::after {
    width: calc(100% - 28px);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    cursor: pointer;
    background: none;
    border: none;
}

.ham-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.97);
    backdrop-filter: blur(24px);
    z-index: 99;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

.mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    list-style: none;
}

.mobile-nav-link {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    text-decoration: none;
}

.mobile-nav-link:hover {
    color: var(--primary-400);
}

.mobile-cta {
    margin-top: 20px;
    font-size: 18px !important;
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 120px 0 80px;
    z-index: 1;
}

.hero-bg-glow {
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 900px;
    height: 700px;
    background: radial-gradient(ellipse at center, rgba(var(--primary-rgb), 0.14) 0%, transparent 65%);
    pointer-events: none;
    z-index: 0;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-300);
    background: rgba(var(--primary-rgb), 0.1);
    border: 1px solid rgba(var(--primary-rgb), 0.25);
    padding: 8px 18px;
    border-radius: var(--radius-full);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-500);
    border-radius: 50%;
    animation: badge-pulse 2s infinite;
}

.hero-title {
    font-size: clamp(40px, 5.5vw, 76px);
    font-weight: 800;
    line-height: 1.07;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--text-tertiary);
    line-height: 1.65;
    margin-bottom: 36px;
    max-width: 520px;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 24px;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.stat-num {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-400);
    display: inline;
    line-height: 1;
}

.stat-item span:not(.stat-label) {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-400);
    line-height: 1;
}

.stat-label {
    font-size: 12px;
    color: var(--text-quaternary);
    line-height: 1.4;
    display: block;
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual-glow {
    position: absolute;
    inset: -20%;
    background: radial-gradient(ellipse at center, rgba(var(--primary-rgb), 0.22) 0%, transparent 65%);
    pointer-events: none;
    filter: blur(40px);
}

.hero-img {
    width: 100%;
    max-width: 520px;
    border-radius: var(--radius-xl);
    filter: drop-shadow(0 0 24px rgba(var(--primary-rgb), 0.45)) drop-shadow(0 0 60px rgba(var(--primary-rgb), 0.2));
    position: relative;
    z-index: 2;
}

/* Floating badges on hero */
.hero-badge-floating {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(var(--primary-rgb), 0.25);
    border-radius: var(--radius-full);
    padding: 10px 18px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 20px rgba(var(--primary-rgb), 0.15);
    z-index: 3;
    white-space: nowrap;
}

.hero-badge-f1 {
    top: 10%;
    left: -5%;
    animation: float 7s ease-in-out 1s infinite;
}

.hero-badge-f2 {
    top: 50%;
    right: -8%;
    animation: float 7s ease-in-out 2s infinite;
}

.hero-badge-f3 {
    bottom: 10%;
    left: 0%;
    animation: float 7s ease-in-out 3s infinite;
}

/* Scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 2;
}

.scroll-dot {
    width: 6px;
    height: 6px;
    background: var(--primary-400);
    border-radius: 50%;
    animation: scroll-dot 2s ease-in-out infinite;
}

/* ===== SOCIAL PROOF ===== */
.social-proof {
    padding: 48px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    background: var(--bg-secondary);
    position: relative;
    z-index: 1;
}

.proof-label {
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-quaternary);
    margin-bottom: 32px;
}

.tech-logos {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
}

.tech-logo-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(var(--primary-rgb), 0.05);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-full);
    padding: 10px 20px;
    transition: all var(--transition-fast);
}

.tech-logo-item:hover {
    background: rgba(var(--primary-rgb), 0.1);
    border-color: rgba(var(--primary-rgb), 0.25);
    transform: translateY(-2px);
    filter: drop-shadow(0 0 10px rgba(var(--primary-rgb), 0.2));
}

.tech-icon {
    font-size: 20px;
}

.tech-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-tertiary);
}

/* ===== SERVICES — FLIP CARDS ===== */
.services-section {
    padding: var(--section-padding);
    position: relative;
    z-index: 1;
}

.services-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-bg);
    pointer-events: none;
    z-index: 0;
}

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

/* FLIP CARD */
.service-card-flip {
    perspective: 1200px;
    height: 380px;
    cursor: pointer;
}

.service-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.85s cubic-bezier(0.645, 0.045, 0.355, 1.000);
    border-radius: var(--radius-lg);
}

.service-card-flip:hover .service-card-inner,
.service-card-flip.flipped .service-card-inner {
    transform: rotateY(180deg);
}

.service-card-front,
.service-card-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

/* Front */
.service-card-front {
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

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

.service-card-flip:hover .service-image {
    transform: scale(1.06);
}

.service-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.6) 60%, transparent 100%);
    display: flex;
    align-items: flex-end;
    gap: 12px;
}

.service-icon-front {
    font-size: 28px;
    filter: drop-shadow(0 0 10px rgba(var(--primary-rgb), 0.8));
}

.service-title-front {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
    letter-spacing: -0.01em;
}

/* Back */
.service-card-back {
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 32px;
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.1), rgba(var(--primary-rgb), 0.04));
    border: 1px solid rgba(var(--primary-rgb), 0.2);
}

.service-icon-back {
    font-size: 36px;
    margin-bottom: 14px;
    filter: drop-shadow(0 0 14px rgba(var(--primary-rgb), 0.8));
}

.service-title-back {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.service-description {
    font-size: 15px;
    color: var(--text-tertiary);
    line-height: 1.65;
    margin-bottom: 20px;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.feature-tag {
    font-size: 12px;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    color: var(--primary-400);
    background: rgba(var(--primary-rgb), 0.12);
    border: 1px solid rgba(var(--primary-rgb), 0.25);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    letter-spacing: 0.02em;
}

/* ===== PLATFORM / STEPS ===== */
.platform-section {
    padding: var(--section-padding);
    background: var(--bg-secondary);
    position: relative;
    z-index: 1;
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    gap: 0;
    align-items: center;
}

.step-card {
    padding: 36px 28px;
    text-align: center;
}

.step-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-500);
    letter-spacing: 0.08em;
    margin-bottom: 12px;
}

.step-icon {
    font-size: 36px;
    margin-bottom: 16px;
    filter: drop-shadow(0 0 8px rgba(var(--primary-rgb), 0.5));
}

.step-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.step-desc {
    font-size: 14px;
    color: var(--text-tertiary);
    line-height: 1.65;
}

.step-connector {
    width: 64px;
    height: 2px;
    background: linear-gradient(90deg, rgba(var(--primary-rgb), 0.5), rgba(var(--primary-rgb), 0.1));
    flex-shrink: 0;
    position: relative;
}

.step-connector::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    border-left: 6px solid rgba(var(--primary-rgb), 0.5);
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
}

/* ===== RESULTS / METRICS ===== */
.results-section {
    padding: var(--section-padding);
    position: relative;
    z-index: 1;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.metric-card {
    text-align: center;
    padding: 36px 24px;
}

.metric-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.metric-value {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 48px;
    font-weight: 800;
    color: var(--primary-400);
    line-height: 1;
    margin-bottom: 10px;
}

.metric-num {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 48px;
    font-weight: 800;
    color: var(--primary-400);
}

.metric-label {
    font-size: 14px;
    color: var(--text-tertiary);
    line-height: 1.5;
    margin-bottom: 20px;
}

.metric-bar {
    height: 4px;
    background: rgba(var(--primary-rgb), 0.12);
    border-radius: 4px;
    overflow: hidden;
}

.metric-bar-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    width: 0;
    transition: width 1.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== TESTIMONIALS ===== */
.testimonials-section {
    padding: var(--section-padding);
    background: var(--bg-secondary);
    position: relative;
    z-index: 1;
}

.testimonials-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-bg);
    pointer-events: none;
}

.testimonials-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 28px;
    font-size: 72px;
    font-family: serif;
    color: var(--primary-600);
    line-height: 1;
    opacity: 0.4;
}

.stars {
    margin-bottom: 16px;
    font-size: 14px;
    letter-spacing: 2px;
}

.testimonial-text {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 0 12px rgba(var(--primary-rgb), 0.4);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-info strong {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.author-info span {
    font-size: 12px;
    color: var(--text-quaternary);
}

/* ===== ABOUT ===== */
.about-section {
    padding: var(--section-padding);
    position: relative;
    z-index: 1;
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    align-items: center;
}

.about-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.about-img-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-glow {
    position: absolute;
    inset: -30%;
    background: radial-gradient(ellipse at center, rgba(var(--primary-rgb), 0.25) 0%, transparent 65%);
    filter: blur(32px);
    z-index: 0;
}

.about-logo-img {
    width: 220px;
    height: 220px;
    object-fit: contain;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 0 30px rgba(var(--primary-rgb), 0.6)) drop-shadow(0 0 70px rgba(var(--primary-rgb), 0.3));
    animation: float 7s ease-in-out infinite;
}

.about-tech-badges {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
}

.about-badge {
    display: flex;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-300);
    background: rgba(var(--primary-rgb), 0.08);
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    padding: 10px 20px;
    border-radius: var(--radius-full);
    text-align: center;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-text {
    font-size: 17px;
    color: var(--text-tertiary);
    line-height: 1.75;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 8px;
}

.value-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 20px;
    background: rgba(var(--primary-rgb), 0.05);
    border: 1px solid rgba(var(--primary-rgb), 0.1);
    border-radius: var(--radius-md);
}

.value-icon {
    font-size: 22px;
    flex-shrink: 0;
    line-height: 1.4;
}

.value-item strong {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 3px;
}

.value-item p {
    font-size: 13px;
    color: var(--text-quaternary);
    line-height: 1.5;
}

/* ===== CTA SECTION ===== */
.cta-section {
    padding: var(--section-padding);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.cta-bg-glow {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 50%, rgba(var(--primary-rgb), 0.22) 0%, transparent 60%);
    pointer-events: none;
}

.cta-container {
    position: relative;
    z-index: 1;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.cta-title {
    font-size: clamp(32px, 4.5vw, 52px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.025em;
}

.cta-subtitle {
    font-size: 18px;
    color: var(--text-tertiary);
    line-height: 1.6;
}

.cta-btn-group {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.cta-disclaimer {
    font-size: 13px;
    color: var(--text-quaternary);
}

/* ===== CONTACT ===== */
.contact-section {
    padding: var(--section-padding);
    background: var(--bg-secondary);
    position: relative;
    z-index: 1;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: start;
}

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

.social-card-icon {
    width: 20px;
    height: 20px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 4px;
    transition: all 0.3s;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: rgba(var(--primary-rgb), 0.04);
    border: 1px solid rgba(var(--primary-rgb), 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.contact-item:hover {
    border-color: rgba(var(--primary-rgb), 0.25);
    background: rgba(var(--primary-rgb), 0.08);
}

.contact-icon {
    font-size: 24px;
    flex-shrink: 0;
    line-height: 1.3;
}

.contact-item>div {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.contact-item strong {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.contact-item span {
    font-size: 14px;
    color: var(--text-tertiary);
}

.contact-link {
    font-size: 14px;
    color: var(--primary-400);
    transition: color var(--transition-fast);
    text-decoration: none;
}

.contact-link:hover {
    color: var(--primary-300);
    text-decoration: underline;
}

/* Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-tertiary);
    letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea,
.form-group select {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    font-size: 15px;
    color: var(--text-primary);
    outline: none;
    transition: all var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
}

.form-group select {
    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='%23A1A1AA' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 44px;
}

.form-group select option {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: rgba(var(--primary-rgb), 0.5);
    background: rgba(var(--primary-rgb), 0.05);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-quaternary);
}

.form-group textarea {
    resize: vertical;
    min-height: 110px;
}

.form-success {
    text-align: center;
    font-size: 15px;
    font-weight: 600;
    color: var(--success);
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.25);
    padding: 14px;
    border-radius: var(--radius-md);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 80px 0 40px;
    position: relative;
    z-index: 1;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.footer-logo {
    height: 36px;
    width: 36px;
    object-fit: contain;
    filter: drop-shadow(0 0 8px rgba(var(--primary-rgb), 0.5));
}

.footer-logo-text {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 18px;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-desc {
    font-size: 14px;
    color: var(--text-quaternary);
    line-height: 1.65;
    max-width: 280px;
}

.footer-socials {
    display: flex;
    gap: 10px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: rgba(var(--primary-rgb), 0.07);
    border: 1px solid rgba(var(--primary-rgb), 0.18);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 700;
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.social-link:hover {
    background: rgba(var(--primary-rgb), 0.18);
    border-color: rgba(var(--primary-rgb), 0.4);
    color: var(--primary-300);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.2);
}

.footer-col-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    list-style: none;
}

.footer-links a {
    font-size: 14px;
    color: var(--text-quaternary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-400);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-quaternary);
}

.footer-made {
    font-size: 12px;
    color: var(--text-quaternary);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 44px;
    height: 44px;
    background: rgba(var(--primary-rgb), 0.12);
    border: 1px solid rgba(var(--primary-rgb), 0.3);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-400);
    cursor: pointer;
    z-index: 50;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    backdrop-filter: blur(12px);
}

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

.back-to-top:hover {
    background: rgba(var(--primary-rgb), 0.25);
    border-color: rgba(var(--primary-rgb), 0.6);
    box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.3);
    transform: translateY(-3px);
}

/* ===== RESPONSIVE ===== */

/* Tablet */
@media (min-width: 768px) and (max-width: 1023px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-content {
        max-width: 100%;
        text-align: center;
    }

    .hero-cta-group {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }

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

    .steps-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .step-connector {
        display: none;
    }

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

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

    .about-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    .hero-badge-f1,
    .hero-badge-f2,
    .hero-badge-f3 {
        display: none;
    }
}

/* Mobile */
@media (max-width: 767px) {
    :root {
        --section-padding: 70px 0;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 36px;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-title {
        font-size: clamp(32px, 10vw, 48px);
    }

    .hero-subtitle {
        font-size: 16px;
        margin-left: auto;
        margin-right: auto;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: 14px;
        text-align: center;
    }

    .stat-divider {
        width: 60px;
        height: 1px;
    }

    .hero-visual {
        max-width: 320px;
        margin: 0 auto;
    }

    .hero-badge-f1,
    .hero-badge-f2,
    .hero-badge-f3 {
        display: none;
    }

    .nav-links {
        display: none;
    }

    .btn-nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

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

    .service-card-flip {
        height: 340px;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .step-connector {
        display: none;
    }

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

    .metric-value,
    .metric-num {
        font-size: 36px;
    }

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

    .about-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-logo-img {
        width: 160px;
        height: 160px;
    }

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

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

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .tech-logos {
        gap: 10px;
    }

    .tech-logo-item {
        padding: 8px 14px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
    }

    .particle:nth-child(n+25) {
        display: none;
    }
}

/* XL screens */
@media (min-width: 1440px) {
    :root {
        --container-max: 1360px;
    }

    .hero-title {
        font-size: 82px;
    }
}

/* ================================================================
   i18n LANGUAGE SELECTOR
   ================================================================ */

/* Container */
.lang-selector {
    position: relative;
    display: inline-flex;
    align-items: center;
    z-index: 200;
}

/* Trigger button */
.lang-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(var(--primary-rgb), 0.08);
    border: 1px solid rgba(var(--primary-rgb), 0.22);
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 7px 12px 7px 10px;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    user-select: none;
}

.lang-btn:hover,
.lang-selector.lang-open .lang-btn {
    background: rgba(var(--primary-rgb), 0.18);
    border-color: rgba(var(--primary-rgb), 0.45);
    color: var(--text-primary);
    box-shadow: 0 0 16px rgba(var(--primary-rgb), 0.2);
}

.lang-flag {
    font-size: 16px;
    line-height: 1;
}

.lang-code {
    font-size: 12px;
    font-weight: 700;
}

/* Chevron animation */
.lang-chevron {
    opacity: 0.6;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
    flex-shrink: 0;
}

.lang-selector.lang-open .lang-chevron {
    transform: rotate(180deg);
    opacity: 1;
}

/* Dropdown panel */
.lang-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 168px;
    background: #0e0e12;
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    border-radius: var(--radius-md);
    padding: 6px;
    list-style: none;
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(var(--primary-rgb), 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);

    /* Hidden state */
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px) scale(0.97);
    transform-origin: top right;
    transition:
        opacity 0.22s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Visible state */
.lang-selector.lang-open .lang-dropdown {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0) scale(1);
}

/* Individual option */
.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
    position: relative;
}

.lang-option:hover {
    background: rgba(var(--primary-rgb), 0.12);
    color: var(--text-primary);
}

.lang-option--active {
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary-300);
}

.lang-option .lang-flag {
    font-size: 18px;
}

.lang-option .lang-name {
    flex: 1;
    font-family: 'Inter', sans-serif;
}

/* Checkmark for active language */
.lang-check {
    font-size: 12px;
    color: var(--primary-500);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.lang-option--active .lang-check {
    opacity: 1;
}

/* Separator between options */
.lang-option+.lang-option {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

/* ── Responsive ──────────────────────── */
@media (max-width: 768px) {
    .lang-btn {
        padding: 6px 10px;
    }

    .lang-code {
        display: none;
    }

    .lang-btn .lang-chevron {
        display: none;
    }

    .lang-dropdown {
        right: auto;
        left: 0;
        min-width: 150px;
    }
}

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

/* ===== FAQ SECTION ===== */
.faq-section {
    padding: var(--section-padding);
    position: relative;
    z-index: 1;
}

.faq-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 860px;
    margin: 0 auto;
}

.faq-item {
    padding: 0;
    overflow: hidden;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.faq-item:hover {
    transform: none;
    border-color: rgba(var(--primary-rgb), 0.32);
    box-shadow:
        0 8px 32px rgba(var(--primary-rgb), 0.18),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.07);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 24px 28px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: clamp(15px, 2vw, 17px);
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--primary-300);
}

.faq-question[aria-expanded="true"] {
    color: var(--primary-400);
}

.faq-icon {
    flex-shrink: 0;
    color: var(--primary-500);
    transition: transform var(--transition-normal);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    overflow: hidden;
    padding: 0 28px 24px;
}

.faq-answer p {
    font-size: 15px;
    color: var(--text-tertiary);
    line-height: 1.75;
    border-top: 1px solid rgba(var(--primary-rgb), 0.1);
    padding-top: 16px;
}

.faq-answer strong {
    color: var(--primary-300);
}

@media (max-width: 768px) {
    .faq-question {
        padding: 20px;
        font-size: 15px;
    }

    .faq-answer {
        padding: 0 20px 20px;
    }
}

.grecaptcha-badge {
    visibility: hidden !important;
}