/* ===== CSS Variables & Reset ===== */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --secondary: #0f172a;
    --accent: #6366f1;
    --success: #10b981;
    --warning: #f59e0b;
    --text: #1e293b;
    --text-light: #64748b;
    --text-lighter: #94a3b8;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --bg-dark: #0f172a;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.15);
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul { list-style: none; }

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

/* ===== Utility ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.938rem;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn--primary {
    background: var(--primary);
    color: #fff;
    padding: 12px 24px;
}

.btn--primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.btn--outline {
    background: transparent;
    color: var(--text);
    padding: 12px 24px;
    border: 2px solid var(--border);
}

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

.btn--sm { padding: 8px 18px; font-size: 0.875rem; }
.btn--lg { padding: 16px 32px; font-size: 1rem; }
.btn--full { width: 100%; }

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition);
}

.header.scrolled {
    border-bottom-color: var(--border);
    box-shadow: var(--shadow-sm);
}

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

.nav__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    z-index: 100;
}

.logo-icon { color: var(--primary); display: flex; }
.logo-text { color: var(--secondary); }
.logo-highlight { color: var(--primary); }

.nav__list {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav__link {
    font-size: 0.938rem;
    font-weight: 500;
    color: var(--text-light);
    position: relative;
    padding: 4px 0;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
    transition: width var(--transition);
}

.nav__link:hover,
.nav__link.active {
    color: var(--primary);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

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

.nav__toggle,
.nav__close {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text);
    padding: 4px;
}

/* ===== Hero ===== */
.hero {
    position: relative;
    padding: 140px 0 80px;
    overflow: hidden;
    background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
}

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

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.4;
}

.shape--1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-light) 0%, transparent 70%);
    top: -200px;
    right: -100px;
}

.shape--2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
}

.shape--3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.813rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 100px;
    margin-bottom: 24px;
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero__title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--secondary);
    margin-bottom: 20px;
}

.hero__description {
    font-size: 1.125rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 520px;
}

.hero__cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero__stats {
    display: flex;
    align-items: center;
    gap: 32px;
}

.stat__number {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--secondary);
}

.stat__label {
    font-size: 0.813rem;
    color: var(--text-light);
    font-weight: 500;
}

.stat__divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* Hero Visual */
.hero__visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.phone-showcase {
    position: relative;
    width: 100%;
    max-width: 420px;
    height: 480px;
}

.phone-card {
    position: absolute;
    border-radius: 32px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition);
}

.phone-card--main {
    width: 220px;
    height: 440px;
    background: #f9fafb;
    border: 3px solid #e5e7eb;
    top: 20px;
    left: 50%;
    transform: translateX(-60%);
    z-index: 2;
}

.phone-card--secondary {
    width: 200px;
    height: 400px;
    background: #1f2937;
    border: 3px solid #374151;
    top: 50px;
    left: 50%;
    transform: translateX(10%);
    z-index: 1;
}

.phone-screen {
    width: 100%;
    height: 100%;
    padding: 16px;
    background: linear-gradient(180deg, #f0f4ff 0%, #e8ecf8 100%);
}

.phone-screen--dark {
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
}

.phone-notch {
    width: 80px;
    height: 24px;
    background: #1f2937;
    border-radius: 0 0 16px 16px;
    margin: 0 auto 20px;
}

.phone-screen--dark .phone-notch {
    background: #000;
}

.phone-content { text-align: center; }

.phone-time {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 4px;
}

.phone-greeting {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 24px;
}

.phone-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 0 8px;
}

.phone-app {
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--primary-light), #c7d2fe);
    border-radius: 12px;
}

.phone-app--dark {
    background: linear-gradient(135deg, #374151, #4b5563);
}

.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.813rem;
    font-weight: 600;
    color: var(--text);
    box-shadow: var(--shadow-md);
    z-index: 5;
    animation: float 3s ease-in-out infinite;
}

.floating-badge--warranty {
    bottom: 80px;
    left: -10px;
}

.floating-badge--shipping {
    top: 40px;
    right: -10px;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* ===== Trust Bar ===== */
.trust-bar {
    padding: 40px 0;
    background: var(--bg);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.trust-bar__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px;
}

.trust-item__icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius);
}

.trust-item__content h3 {
    font-size: 0.938rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 2px;
}

.trust-item__content p {
    font-size: 0.813rem;
    color: var(--text-light);
}

/* ===== Sections ===== */
.section {
    padding: 100px 0;
}

.section__header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 60px;
}

.section__tag {
    display: inline-block;
    font-size: 0.813rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    margin-bottom: 12px;
}

.section__title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--secondary);
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section__subtitle {
    font-size: 1.063rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* ===== Devices ===== */
.devices {
    background: var(--bg-alt);
}

.devices__filters {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    border: 2px solid var(--border);
    background: var(--bg);
    border-radius: 100px;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    transition: all var(--transition);
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

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

.device-card {
    position: relative;
    background: var(--bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.device-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.device-card__badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--primary);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 100px;
    z-index: 2;
}

.device-card__badge--green { background: var(--success); }
.device-card__badge--blue { background: var(--accent); }

.device-card__image {
    padding: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
    min-height: 200px;
}

.device-placeholder {
    color: var(--text-lighter);
    opacity: 0.6;
}

.device-card__content {
    padding: 20px 24px 24px;
}

.device-card__grade {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--success);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.device-card__name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 4px;
}

.device-card__specs {
    font-size: 0.813rem;
    color: var(--text-light);
    margin-bottom: 16px;
}

.device-card__pricing {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.price-current {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--secondary);
}

.price-original {
    font-size: 0.938rem;
    color: var(--text-lighter);
    text-decoration: line-through;
}

.price-save {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--success);
    background: rgba(16, 185, 129, 0.1);
    padding: 4px 10px;
    border-radius: 100px;
}

/* ===== Why Us ===== */
.why-us__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.why-card {
    background: var(--bg-alt);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: all var(--transition);
}

.why-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--border);
}

.why-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.why-card__icon--blue { background: var(--primary-light); color: var(--primary); }
.why-card__icon--green { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.why-card__icon--teal { background: rgba(20, 184, 166, 0.1); color: #14b8a6; }
.why-card__icon--purple { background: rgba(99, 102, 241, 0.1); color: var(--accent); }

.why-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 10px;
}

.why-card__text {
    font-size: 0.938rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* ===== How It Works ===== */
.how-it-works {
    background: var(--bg-alt);
}

.steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 16px;
}

.step {
    text-align: center;
    flex: 1;
    max-width: 320px;
    padding: 32px 24px;
}

.step__number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-light);
    line-height: 1;
    margin-bottom: 16px;
}

.step__icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    color: var(--primary);
    border-radius: 50%;
    box-shadow: var(--shadow);
}

.step__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 10px;
}

.step__text {
    font-size: 0.875rem;
    color: var(--text-light);
    line-height: 1.7;
}

.step__connector {
    display: flex;
    align-items: center;
    padding-top: 110px;
    color: var(--border);
    flex-shrink: 0;
}

/* ===== Marketplaces ===== */
.marketplaces__grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.marketplace-card {
    text-align: center;
    padding: 32px 16px;
    background: var(--bg-alt);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

.marketplace-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--border);
}

.marketplace-card__logo {
    margin-bottom: 12px;
}

.marketplace-name {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--secondary);
}

.marketplace-card__desc {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 12px;
}

.marketplace-card__rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.813rem;
    font-weight: 600;
    color: var(--text);
}

.stars {
    display: flex;
    gap: 2px;
}

/* ===== Reviews ===== */
.reviews {
    background: var(--bg-alt);
}

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

.review-card {
    background: var(--bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all var(--transition);
}

.review-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.review-card__stars {
    display: flex;
    gap: 2px;
    margin-bottom: 16px;
}

.review-card__text {
    font-size: 0.938rem;
    color: var(--text);
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.review-card__author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.review-card__avatar {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.813rem;
    font-weight: 700;
}

.review-card__author strong {
    display: block;
    font-size: 0.875rem;
    color: var(--secondary);
}

.review-card__author span {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* ===== Newsletter ===== */
.newsletter {
    padding: 80px 0;
}

.newsletter__card {
    background: linear-gradient(135deg, var(--secondary) 0%, #1e3a5f 100%);
    border-radius: var(--radius-xl);
    padding: 60px;
    display: flex;
    align-items: center;
    gap: 60px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.newsletter__content { flex: 1; }

.newsletter__title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.newsletter__text {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 28px;
    font-size: 1rem;
}

.newsletter__input-group {
    display: flex;
    gap: 12px;
    max-width: 460px;
}

.newsletter__input-group input {
    flex: 1;
    padding: 14px 20px;
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-family: inherit;
    font-size: 0.938rem;
    outline: none;
    transition: border-color var(--transition);
}

.newsletter__input-group input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.newsletter__input-group input:focus {
    border-color: rgba(255, 255, 255, 0.4);
}

.newsletter__input-group .btn--primary {
    background: #fff;
    color: var(--secondary);
    flex-shrink: 0;
}

.newsletter__input-group .btn--primary:hover {
    background: var(--primary-light);
    box-shadow: none;
}

.newsletter__disclaimer {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 12px;
}

.newsletter__visual {
    color: rgba(255, 255, 255, 0.3);
    flex-shrink: 0;
}

/* ===== Contact ===== */
.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: flex-start;
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

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

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

.contact-item h4 {
    font-size: 0.938rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 4px;
}

.contact-item p,
.contact-item a {
    font-size: 0.875rem;
    color: var(--text-light);
    line-height: 1.6;
}

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

.contact__form {
    background: var(--bg-alt);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 36px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    font-family: inherit;
    font-size: 0.938rem;
    color: var(--text);
    outline: none;
    transition: border-color var(--transition);
}

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

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 0;
}

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

.footer__brand .nav__logo {
    margin-bottom: 16px;
}

.footer__brand .logo-icon { color: var(--primary); }
.footer__brand .logo-text { color: #fff; }

.footer__tagline {
    font-size: 0.875rem;
    line-height: 1.7;
    margin-bottom: 24px;
    color: rgba(255, 255, 255, 0.5);
}

.footer__social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.5);
    transition: all var(--transition);
}

.social-link:hover {
    background: var(--primary);
    color: #fff;
}

.footer__links h4 {
    font-size: 0.938rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
}

.footer__links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer__links a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition);
}

.footer__links a:hover {
    color: #fff;
}

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    font-size: 0.813rem;
    color: rgba(255, 255, 255, 0.35);
}

.footer__legal {
    display: flex;
    gap: 24px;
}

.footer__legal a {
    color: rgba(255, 255, 255, 0.35);
}

.footer__legal a:hover {
    color: rgba(255, 255, 255, 0.7);
}

/* ===== Toast ===== */
.toast {
    position: fixed;
    bottom: 32px;
    right: 32px;
    background: var(--secondary);
    color: #fff;
    padding: 16px 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-xl);
    font-size: 0.875rem;
    font-weight: 500;
    z-index: 9999;
    transform: translateY(120%);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* ===== Scroll to top ===== */
.scroll-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 44px;
    height: 44px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 99;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* ===== Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero__title { font-size: 2.75rem; }
    .hero__container { gap: 40px; }
    .devices__grid { grid-template-columns: repeat(2, 1fr); }
    .marketplaces__grid { grid-template-columns: repeat(3, 1fr); }
    .reviews__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg);
        padding: 80px 32px 32px;
        box-shadow: var(--shadow-xl);
        transition: right var(--transition);
        z-index: 99;
    }

    .nav__menu.show {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
    }

    .nav__link { font-size: 1.125rem; }

    .nav__close {
        display: block;
        position: absolute;
        top: 24px;
        right: 24px;
    }

    .nav__toggle { display: block; }

    .nav__actions .btn { display: none; }

    .hero { padding: 120px 0 60px; }
    .hero__container { grid-template-columns: 1fr; text-align: center; }
    .hero__title { font-size: 2.25rem; }
    .hero__description { margin: 0 auto 28px; }
    .hero__cta { justify-content: center; }
    .hero__stats { justify-content: center; }
    .hero__visual { display: none; }

    .trust-bar__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .section { padding: 72px 0; }
    .section__title { font-size: 2rem; }

    .devices__grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .why-us__grid { grid-template-columns: 1fr; }

    .steps { flex-direction: column; align-items: center; }
    .step__connector { display: none; }

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

    .newsletter__card {
        flex-direction: column;
        padding: 40px 24px;
        text-align: center;
    }
    .newsletter__visual { display: none; }
    .newsletter__input-group {
        flex-direction: column;
        max-width: 100%;
    }

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

    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .footer__brand { grid-column: 1 / -1; }

    .footer__bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero__title { font-size: 1.875rem; }
    .hero__cta { flex-direction: column; }
    .hero__stats { flex-direction: column; gap: 16px; }
    .stat__divider { width: 40px; height: 1px; }

    .trust-bar__grid { grid-template-columns: 1fr; }
    .trust-item { justify-content: center; }

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

    .footer__grid { grid-template-columns: 1fr; }
    .footer__legal { flex-direction: column; gap: 8px; align-items: center; }
}
