/* ============================================
   VangardPay Landing — Design System
   ============================================ */

:root {
    /* Colors */
    --color-primary: #3B5FFB;
    --color-primary-dark: #2845D9;
    --color-primary-light: #6B8AFF;
    --color-primary-glow: rgba(59, 95, 251, 0.3);

    --color-bg-dark: #0A0F2E;
    --color-bg-hero: linear-gradient(135deg, #3B5FFB 0%, #5B7BFF 40%, #7B9AFF 100%);
    --color-bg-blue-section: linear-gradient(180deg, #3B5FFB 0%, #2845D9 100%);

    --color-white: #FFFFFF;
    --color-gray-50: #F8F9FC;
    --color-gray-100: #F0F2F7;
    --color-gray-200: #E2E5EF;
    --color-gray-400: #9BA3B5;
    --color-gray-600: #5A6278;
    --color-gray-800: #2B3045;
    --color-gray-900: #1A1D2E;

    --color-text-primary: #1A1D2E;
    --color-text-secondary: #5A6278;
    --color-text-white: #FFFFFF;
    --color-text-white-muted: rgba(255, 255, 255, 0.7);

    --color-accent-red: #FF4757;
    --color-accent-green: #2ED573;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --font-size-xs: 0.75rem;     /* 12px */
    --font-size-sm: 0.875rem;    /* 14px */
    --font-size-base: 1rem;      /* 16px */
    --font-size-lg: 1.125rem;    /* 18px */
    --font-size-xl: 1.25rem;     /* 20px */
    --font-size-2xl: 1.5rem;     /* 24px */
    --font-size-3xl: 2rem;       /* 32px */
    --font-size-4xl: 2.5rem;     /* 40px */
    --font-size-5xl: 3.25rem;    /* 52px */
    --font-size-6xl: 4rem;       /* 64px */

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
    --shadow-blue: 0 8px 32px rgba(59, 95, 251, 0.25);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-spring: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);

    /* Layout */
    --container-width: 1200px;
    --header-height: 80px;
}

/* ============================================
   Reset & Base
   ============================================ */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

/* ============================================
   Utility Classes
   ============================================ */

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    white-space: nowrap;
}

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

.btn--white:hover {
    background: var(--color-gray-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--outline-white {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255,255,255,0.5);
}

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

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

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

.btn--sm {
    padding: 10px 24px;
    font-size: var(--font-size-sm);
}

/* Animation on scroll */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================
   Header
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: all var(--transition-base);
    background: transparent;
}

.header.scrolled {
    background: rgba(59, 95, 251, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
    height: 64px;
}

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

.header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    z-index: 1001;
}

.header__logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: -0.02em;
}

.header__logo-text-img {
    display: inline-block;
    height: 20px;
    width: auto;
}

.header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.header__link {
    color: var(--color-text-white-muted);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.header__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-white);
    transition: width var(--transition-base);
}

.header__link:hover {
    color: var(--color-white);
}

.header__link:hover::after {
    width: 100%;
}

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

.header__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
    z-index: 1001;
}

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

.header__burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.header__burger.active span:nth-child(2) {
    opacity: 0;
}

.header__burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    background: var(--color-bg-hero);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero__bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
}

.hero__bg-shape--1 {
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.15);
    top: -200px;
    right: -100px;
    animation: float 20s ease-in-out infinite;
}

.hero__bg-shape--2 {
    width: 400px;
    height: 400px;
    background: rgba(0, 0, 100, 0.2);
    bottom: -100px;
    left: -100px;
    animation: float 25s ease-in-out infinite reverse;
}

.hero__bg-shape--3 {
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    top: 50%;
    left: 50%;
    animation: float 15s ease-in-out infinite 5s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero__inner {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-3xl) 0;
}

.hero__content {
    margin-bottom: var(--space-4xl);
}

.hero__title {
    font-size: var(--font-size-5xl);
    font-weight: 300;
    color: var(--color-white);
    line-height: 1.15;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.hero__title strong {
    font-weight: 800;
}

.hero__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-white-muted);
    margin-bottom: var(--space-2xl);
    line-height: 1.6;
}

.hero__buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* Hero Illustration */
.hero__illustration {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
    animation: heroFloat 6s ease-in-out infinite;
}

.hero__illustration-img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.3));
}

@keyframes heroFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Hero Carousel */
.hero__carousel-wrapper {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.hero__carousel {
    overflow: hidden;
    border-radius: var(--radius-xl);
}

.hero__carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero__slide {
    flex: 0 0 100%;
    min-width: 100%;
    padding: 0 var(--space-md);
}

.hero__slide-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-4xl) var(--space-2xl);
    min-height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.hero__slide-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: scale(1.02);
}

.slide-placeholder {
    text-align: center;
    color: var(--color-white);
}

.slide-placeholder__icon {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
}

.slide-placeholder__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.slide-placeholder__desc {
    font-size: var(--font-size-base);
    color: var(--color-text-white-muted);
}

.hero__carousel-dots {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-xl);
}

.hero__carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    padding: 0;
}

.hero__carousel-dot.active {
    background: var(--color-white);
    width: 32px;
}

.hero__wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    line-height: 0;
}

.hero__wave svg {
    width: 100%;
    height: 80px;
}

/* ============================================
   Features Section
   ============================================ */

.features {
    padding: var(--space-5xl) 0;
    background: var(--color-white);
}

.features__title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-text-primary);
    line-height: 1.2;
    margin-bottom: var(--space-4xl);
    letter-spacing: -0.02em;
}

.features__diamond {
    color: var(--color-accent-red);
    font-size: 0.8em;
}

.features__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

/* Map Block */
.features__map-block {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.features__map {
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 4 / 3;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    position: relative;
}

.map-placeholder__bg {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a3a6b 0%, #0d2447 100%);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.map-placeholder__map-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
}

.map-placeholder__pin {
    position: absolute;
    font-size: 1.5rem;
    transform: translate(-50%, -50%);
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
    transition: transform var(--transition-spring);
    cursor: default;
    z-index: 1;
}

.map-placeholder__pin:hover {
    transform: translate(-50%, -50%) scale(1.3);
}

.features__stats {
    display: flex;
    gap: var(--space-3xl);
    padding: var(--space-lg) var(--space-xl);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
}

.features__stat {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
}

.features__stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-text-primary);
}

.features__stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.3;
}

/* Benefits List */
.features__benefits {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.features__benefits-header {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-lg) var(--space-xl);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.features__benefits-list {
    display: flex;
    flex-direction: column;
}

.features__benefit {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
    padding: var(--space-lg) var(--space-xl);
    background: rgba(59, 95, 251, 0.06);
    border-bottom: 1px solid rgba(59, 95, 251, 0.1);
    transition: background var(--transition-fast);
}

.features__benefit:last-child {
    border-bottom: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.features__benefit:hover {
    background: rgba(59, 95, 251, 0.12);
}

.features__benefit-text {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text-primary);
    flex: 1;
}

.features__benefit-num {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-primary);
    opacity: 0.5;
    min-width: 40px;
    text-align: right;
}

/* ============================================
   Ecosystem Section
   ============================================ */

.ecosystem {
    position: relative;
    padding: var(--space-5xl) 0;
    background: var(--color-bg-blue-section);
    overflow: hidden;
}

.ecosystem__bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.ecosystem__bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
}

.ecosystem__bg-shape--1 {
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.05);
    top: -200px;
    right: -100px;
}

.ecosystem__bg-shape--2 {
    width: 400px;
    height: 400px;
    background: rgba(0, 0, 0, 0.1);
    bottom: -150px;
    left: -100px;
}

.ecosystem__header {
    text-align: center;
    margin-bottom: var(--space-4xl);
    position: relative;
    z-index: 1;
}

.ecosystem__title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-white);
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.ecosystem__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-white-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.ecosystem__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    position: relative;
    z-index: 1;
}

.ecosystem__card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
}

.ecosystem__card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.ecosystem__card-icon {
    margin-bottom: var(--space-lg);
}

.ecosystem__card-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.ecosystem__card-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-white-muted);
    line-height: 1.5;
}

/* ============================================
   FAQ Section
   ============================================ */

.faq {
    padding: var(--space-5xl) 0;
    background: var(--color-white);
}

.faq__title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-text-primary);
    text-align: center;
    margin-bottom: var(--space-3xl);
    letter-spacing: -0.02em;
}

.faq__list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.faq__item {
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.faq__item:hover {
    border-color: var(--color-primary-light);
}

.faq__item.active {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.faq__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl) var(--space-xl);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    text-align: left;
    transition: color var(--transition-fast);
    background: none;
    cursor: pointer;
}

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

.faq__arrow {
    flex-shrink: 0;
    transition: transform var(--transition-base);
    color: var(--color-gray-400);
}

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

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq__answer p {
    padding: 0 var(--space-xl) var(--space-xl);
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.faq__item.active .faq__answer {
    max-height: 300px;
}

/* ============================================
   Contact Section
   ============================================ */

/* Contact section - redesigned with form + illustration */
.contact {
    position: relative;
    padding: var(--space-5xl) 0;
    background: var(--color-bg-hero);
    overflow: hidden;

}

.contact__card-wrapper {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
    box-shadow: var(--shadow-xl);
    border-top: 4px solid var(--color-primary);
}

.contact__form-side {
    padding: var(--space-3xl) var(--space-3xl);
}

.contact__title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-text-primary);
    line-height: 1.2;
    margin-bottom: var(--space-2xl);
    letter-spacing: -0.02em;
}

.contact__sparkle {
    color: #FF4757;
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact__input {
    width: 100%;
    padding: 14px 20px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background: var(--color-gray-100);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.contact__input:focus {
    border-color: var(--color-primary);
    background: var(--color-white);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

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

.contact__checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
}

.contact__checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.contact__submit {
    align-self: flex-start;
    margin-top: var(--space-sm);
}

.contact__illustration-side {
    position: relative;
    display: flex;
    align-items: stretch;
    justify-content: center;
    padding: 0;
    overflow: hidden;
    min-height: 400px;
}

.contact__illustration-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.contact__tg-btn {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--color-text-primary);
    border: 2px solid rgba(255, 255, 255, 0.8);
    padding: 14px 32px;
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.contact__tg-btn:hover {
    background: var(--color-white);
    transform: translateX(-50%) translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   Digital Assets Section
   ============================================ */

.digital {
    position: relative;
    padding: var(--space-5xl) 0;
    background: linear-gradient(135deg, #EEF1FB 0%, #E8ECFA 100%);
    overflow: hidden;
}

.digital__header {
    margin-bottom: var(--space-3xl);
}

.digital__title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-text-primary);
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.digital__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    line-height: 1.6;
}

.digital__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.digital__card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

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

.digital__card-placeholder {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    padding: var(--space-3xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    min-height: 160px;
}

.digital__card-content {
    padding: var(--space-xl);
}

.digital__card-num {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-primary);
    opacity: 0.2;
    margin-bottom: var(--space-sm);
}

.digital__card-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.digital__card-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.digital__watermark {
    position: absolute;
    bottom: var(--space-2xl);
    right: var(--space-2xl);
    pointer-events: none;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--color-bg-dark);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer__top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-4xl);
    margin-bottom: var(--space-3xl);
    padding-bottom: var(--space-3xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.footer__tagline {
    font-size: var(--font-size-sm);
    color: var(--color-text-white-muted);
    line-height: 1.5;
}

.footer__links {
    display: flex;
    gap: var(--space-4xl);
}

.footer__links-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer__links-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer__link {
    font-size: var(--font-size-sm);
    color: var(--color-text-white-muted);
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-white);
}

.footer__bottom {
    text-align: center;
}

.footer__copy {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
}

/* ============================================
   Mobile Menu Overlay
   ============================================ */

.header__nav.mobile-open {
    display: flex;
    position: fixed;
    inset: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
    background: rgba(10, 15, 46, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
}

.header__nav.mobile-open .header__link {
    font-size: var(--font-size-2xl);
    color: var(--color-white);
}

/* ============================================
   Responsive — Tablet (max-width: 1024px)
   ============================================ */

@media (max-width: 1024px) {
    .features__grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

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

    .hero__title {
        font-size: var(--font-size-4xl);
    }

    .features__title,
    .ecosystem__title,
    .contact__title,
    .digital__title {
        font-size: var(--font-size-3xl);
    }
}

/* ============================================
   Responsive — Mobile (max-width: 768px)
   ============================================ */

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }

    .container {
        padding: 0 var(--space-lg);
    }

    /* Header mobile */
    .header__nav {
        display: none;
    }

    .header__actions {
        display: none;
    }

    .header__burger {
        display: flex;
    }

    /* Hero mobile */
    .hero {
        min-height: auto;
        padding-top: calc(var(--header-height) + var(--space-2xl));
        padding-bottom: 100px;
    }

    .hero__title {
        font-size: var(--font-size-3xl);
    }

    .hero__title br {
        display: none;
    }

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

    .hero__subtitle br {
        display: none;
    }

    .hero__buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero__buttons .btn {
        width: 100%;
    }

    .hero__slide-card {
        min-height: 250px;
        padding: var(--space-2xl) var(--space-lg);
    }

    /* Features mobile */
    .features {
        padding: var(--space-3xl) 0;
    }

    .features__title {
        font-size: var(--font-size-2xl);
    }

    .features__stats {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .map-placeholder__pin {
        font-size: 1.2rem;
    }

    /* Ecosystem mobile */
    .ecosystem {
        padding: var(--space-3xl) 0;
    }

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

    .ecosystem__title {
        font-size: var(--font-size-2xl);
    }

    /* FAQ mobile */
    .faq {
        padding: var(--space-3xl) 0;
    }

    .faq__title {
        font-size: var(--font-size-3xl);
    }

    .faq__question {
        font-size: var(--font-size-base);
        padding: var(--space-lg);
    }

    .faq__answer p {
        padding: 0 var(--space-lg) var(--space-lg);
        font-size: var(--font-size-sm);
    }

    /* Contact mobile */
    .contact {
        padding: var(--space-3xl) 0;
    }

    .contact__card-wrapper {
        grid-template-columns: 1fr;
    }

    .contact__title {
        font-size: var(--font-size-3xl);
    }

    .contact__form-side {
        padding: var(--space-xl);
    }

    .contact__illustration-side {
        padding: var(--space-xl);
    }

    /* Digital assets mobile */
    .digital {
        padding: var(--space-3xl) 0;
    }

    .digital__title {
        font-size: var(--font-size-2xl);
    }

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

    /* Footer mobile */
    .footer__top {
        flex-direction: column;
        gap: var(--space-2xl);
    }

    .footer__links {
        gap: var(--space-2xl);
    }
}

/* ============================================
   Responsive — Small Mobile (max-width: 480px)
   ============================================ */

@media (max-width: 480px) {
    .hero__title {
        font-size: var(--font-size-2xl);
    }

    .features__benefit {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .features__benefit-num {
        align-self: flex-end;
    }

    .slide-placeholder__icon {
        font-size: 3rem;
    }

    .slide-placeholder__title {
        font-size: var(--font-size-xl);
    }
}