/* ============================================
   VARIABLES & RESET
   ============================================ */

:root {
    --primary-color: #0284c7;
    --secondary-color: #10b981;
    --text-color: #1e293b;
    --text-light: #64748b;
    --background-color: #f8fafc;
    --border-color: #e2e8f0;
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-color);
    background: var(--background-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(248, 250, 252, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.header--scrolled {
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

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

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

.nav__logo-icon {
    display: flex;
    color: var(--primary-color);
    flex-shrink: 0;
}

.nav__logo-icon svg {
    width: 32px;
    height: 32px;
}

.nav__logo-text {
    font-weight: var(--font-weight-extrabold);
    font-size: 32px;
    color: var(--primary-color);
    font-style: italic;
    letter-spacing: 2px;
}

.nav__menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav__list {
    display: flex;
    list-style: none;
    gap: 32px;
    margin: 0;
    padding: 0;
}

.nav__item {
    margin: 0;
}

.nav__link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
}

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

.nav__actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn--header {
    font-size: 14px;
    padding: 10px 20px;
}

.nav__toggle,
.nav__close {
    display: none;
    cursor: pointer;
    color: var(--text-color);
}

@media (max-width: 968px) {
    .nav {
        padding: 16px 12px;
    }

    .nav__toggle {
        display: block;
    }

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

    .btn--header {
        display: none;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 360px;
        height: 100vh;
        background: white;
        padding: 80px 32px 32px;
        box-shadow: -2px 0 12px rgba(0,0,0,0.1);
        transition: right 0.4s ease;
        z-index: 1001;
    }

    .nav__menu--active {
        right: 0;
    }

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

    .nav__link {
        font-size: 18px;
    }
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero__text h1 {
    font-size: 48px;
    font-weight: var(--font-weight-extrabold);
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-color);
}

.hero__text p {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 32px;
}

.hero__badge {
    display: inline-block;
    padding: 8px 16px;
    background: white;
    border-radius: 50px;
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    color: var(--primary-color);
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.hero__title {
    font-size: 48px;
    font-weight: var(--font-weight-extrabold);
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-color);
}

.hero__title-highlight {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0369a1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__description {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero__cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.hero__stores {
    margin-top: 32px;
}

.hero__stores-text {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 16px;
    font-weight: var(--font-weight-medium);
}

.hero__stores-badges {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.store-badge {
    display: block;
    transition: var(--transition);
}

.store-badge img {
    height: 48px;
    width: auto;
}

.store-badge:hover {
    transform: translateY(-4px);
    filter: brightness(1.05);
}

.hero__stores-note {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 12px;
    font-style: italic;
}

.hero__image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__mockup-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__mockup {
    position: absolute;
    width: 280px;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.15));
}

.hero__mockup--iphone {
    left: 10%;
    animation: floatUp 3s ease-in-out infinite;
}

.hero__mockup--android {
    right: 10%;
    animation: floatDown 3s ease-in-out infinite;
    animation-delay: 1.5s;
}

@keyframes floatUp {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes floatDown {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(20px);
    }
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.btn--primary {
    background: var(--primary-color);
    color: white;
}

.btn--primary:hover {
    background: #0369a1;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(2, 132, 199, 0.3);
}

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

.btn--secondary:hover {
    background: var(--primary-color);
    color: white;
}

.btn--large {
    padding: 16px 32px;
    font-size: 18px;
}

@media (max-width: 968px) {
    .hero {
        padding: 140px 0 60px;
    }

    .hero__content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero__badge {
        margin-top: 20px;
    }

    .hero__title {
        font-size: 36px;
    }

    .hero__description {
        font-size: 18px;
    }

    .hero__cta {
        justify-content: center;
    }

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

    .hero__stores-badges {
        justify-content: center;
    }

    .hero__mockup-container {
        height: 350px;
        order: -1;
    }

    .hero__mockup {
        width: 200px;
    }

    .hero__mockup--iphone {
        left: 5%;
    }

    .hero__mockup--android {
        right: 5%;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 120px 0 40px;
    }

    .hero__badge {
        font-size: 12px;
        padding: 6px 12px;
    }

    .hero__title {
        font-size: 24px;
        margin-bottom: 16px;
    }

    .hero__description {
        font-size: 15px;
        margin-bottom: 24px;
    }

    .btn--large {
        padding: 12px 20px;
        font-size: 15px;
    }

    .store-badge img {
        height: 40px;
    }

    .hero__mockup-container {
        height: 280px;
    }

    .hero__mockup {
        width: 160px;
    }

    .hero__mockup--iphone {
        left: 0;
    }

    .hero__mockup--android {
        right: 0;
    }
}

/* ============================================
   SECTIONS
   ============================================ */

.section {
    padding: 80px 0;
}

.section__header {
    text-align: center;
    margin-bottom: 64px;
}

.section__subtitle {
    display: inline-block;
    font-size: 14px;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.section__title {
    font-size: 40px;
    font-weight: var(--font-weight-extrabold);
    color: var(--text-color);
    margin-bottom: 16px;
}

.section__description {
    font-size: 18px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   FEATURES
   ============================================ */

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.12);
}

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

.feature-card__icon--blue {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0369a1 100%);
    color: white;
}

.feature-card__icon--green {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.feature-card__icon--purple {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    color: white;
}

.feature-card__icon--orange {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
}

.feature-card__title {
    font-size: 22px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 12px;
    color: var(--text-color);
}

.feature-card__description {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-light);
}

/* ============================================
   HOW IT WORKS SECTION
   ============================================ */

.section--alt {
    background: white;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.step {
    position: relative;
    padding: 32px;
    background: var(--background-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.step:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.step__number {
    position: absolute;
    top: -20px;
    left: 32px;
    font-size: 60px;
    font-weight: var(--font-weight-extrabold);
    color: var(--primary-color);
    opacity: 0.1;
    line-height: 1;
}

.step__content {
    position: relative;
    z-index: 1;
}

.step__icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0369a1 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 24px;
}

.step__title {
    font-size: 22px;
    font-weight: var(--font-weight-bold);
    color: var(--text-color);
    margin-bottom: 12px;
}

.step__description {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-light);
}

/* ============================================
   SCREENSHOTS CAROUSEL
   ============================================ */

.carousel {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 60px;
}

.carousel__container {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.carousel__container::-webkit-scrollbar {
    display: none;
}

.carousel__item {
    flex: 0 0 280px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.carousel__image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08), 0 8px 24px rgba(0,0,0,0.12);
    transition: var(--transition);
}

.carousel__image:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12), 0 16px 40px rgba(0,0,0,0.18);
}

.carousel__caption {
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    color: var(--text-light);
    text-align: center;
}

.carousel__btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-color);
    transition: var(--transition);
    z-index: 10;
}

.carousel__btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-50%) scale(1.1);
}

.carousel__btn--prev {
    left: 0;
}

.carousel__btn--next {
    right: 0;
}

@media (max-width: 768px) {
    .carousel {
        padding: 20px 40px;
    }

    .carousel__item {
        flex: 0 0 240px;
    }

    .carousel__btn {
        width: 40px;
        height: 40px;
    }
}

/* ============================================
   LEGAL SECTION
   ============================================ */

.legal__nav {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.legal__tab {
    padding: 12px 24px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
}

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

.legal__tab.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.legal__content {
    display: none;
}

.legal__content.active {
    display: block;
}

.legal__document {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 48px;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.legal__document h3 {
    font-size: 28px;
    font-weight: var(--font-weight-bold);
    color: var(--text-color);
    margin-bottom: 8px;
}

.legal__intro {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 32px;
}

.legal__section {
    margin-bottom: 32px;
}

.legal__section h4 {
    font-size: 20px;
    font-weight: var(--font-weight-semibold);
    color: var(--text-color);
    margin-bottom: 12px;
}

.legal__section p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 12px;
}

.legal__section ul,
.legal__section ol {
    margin-left: 24px;
    margin-bottom: 12px;
}

.legal__section li {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 8px;
}

.legal__section strong {
    color: var(--text-color);
    font-weight: var(--font-weight-semibold);
}

.legal__link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
}

.legal__link:hover {
    color: #0369a1;
    text-decoration: underline;
}

.legal__note {
    padding: 16px;
    background: #fef3c7;
    border-left: 4px solid #f59e0b;
    border-radius: var(--radius-sm);
    margin-top: 16px;
}

.legal__note strong {
    color: #d97706;
}

@media (max-width: 768px) {
    .legal__document {
        padding: 32px 24px;
    }

    .legal__document h3 {
        font-size: 24px;
    }

    .legal__section h4 {
        font-size: 18px;
    }
}

/* ============================================
   CONTACT SECTION (MAILTO)
   ============================================ */

.section--contact {
    background: var(--background-color);
}

.contact__simple {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.contact__email-card {
    background: white;
    padding: 48px;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    text-align: center;
}

.contact__email-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0369a1 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin: 0 auto 24px;
}

.contact__email-title {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: var(--text-color);
    margin-bottom: 12px;
}

.contact__email-note {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 16px;
    font-style: italic;
}

.contact__email-link {
    font-size: 20px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    transition: var(--transition);
}

.contact__email-link:hover {
    color: #0369a1;
    text-decoration: underline;
}

.contact__subjects {
    background: white;
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.contact__subjects-title {
    font-size: 20px;
    font-weight: var(--font-weight-semibold);
    color: var(--text-color);
    margin-bottom: 24px;
    text-align: center;
}

.contact__subjects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.contact__subject-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-color);
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
}

.contact__subject-btn:hover {
    background: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.15);
}

.contact__subject-btn--important {
    border-color: #ef4444;
}

.contact__subject-btn--important:hover {
    border-color: #dc2626;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.contact__subject-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.contact__subject-text {
    font-size: 14px;
}

.contact__address {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: white;
    border-radius: var(--radius-sm);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.contact__address-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0369a1 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.contact__address-text {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .contact__email-card {
        padding: 32px 24px;
    }

    .contact__email-title {
        font-size: 20px;
    }

    .contact__email-link {
        font-size: 16px;
        word-break: break-all;
    }

    .contact__subjects {
        padding: 28px 20px;
    }

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

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

/* ============================================
   TESTIMONIALS
   ============================================ */

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

.faq__list {
    max-width: 780px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq__item {
    background: white;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    overflow: hidden;
    transition: var(--transition);
}

.faq__item:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.faq__question {
    width: 100%;
    background: none;
    border: none;
    padding: 20px 24px;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.faq__question-text {
    font-size: 16px;
    font-weight: var(--font-weight-semibold);
    color: var(--text-color);
    line-height: 1.4;
}

.faq__icon {
    font-size: 20px;
    font-weight: 300;
    color: var(--primary-color);
    flex-shrink: 0;
    transition: transform 0.3s ease;
    line-height: 1;
}

.faq__item.is-open .faq__icon {
    transform: rotate(45deg);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    padding: 0 24px;
}

.faq__item.is-open .faq__answer {
    max-height: 400px;
    padding: 0 24px 20px;
}

.faq__answer p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-light);
    margin: 0;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--text-color);
    color: white;
    padding: 60px 0 32px;
}

.footer__content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
    max-width: 1000px;
}

.footer__brand {
    max-width: 300px;
}

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

.footer__logo-icon {
    display: flex;
    color: white;
    flex-shrink: 0;
}

.footer__logo-icon svg {
    width: 28px;
    height: 28px;
}

.footer__logo-text {
    font-weight: var(--font-weight-extrabold);
    font-size: 28px;
    color: white;
    font-style: italic;
    letter-spacing: 2px;
}

.footer__tagline {
    color: rgba(255,255,255,0.7);
    margin-bottom: 24px;
}

.footer__social {
    display: flex;
    gap: 16px;
}

.footer__social-link {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.footer__social-link:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer__title {
    font-size: 16px;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 16px;
}

.footer__list {
    list-style: none;
}

.footer__list li {
    margin-bottom: 12px;
}

.footer__link {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer__link:hover {
    color: white;
}

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

.footer__bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    color: rgba(255,255,255,0.6);
    font-size: 14px;
}

.footer__bottom p {
    margin: 4px 0;
}

.footer__bottom strong {
    color: rgba(255,255,255,0.9);
    font-weight: var(--font-weight-semibold);
}

@media (max-width: 968px) {
    .section {
        padding: 60px 0;
    }

    .section__title {
        font-size: 32px;
    }

    .section__description {
        font-size: 16px;
    }

    .features__grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 24px;
    }

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

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

    .footer__brand {
        grid-column: 1 / -1;
        max-width: 100%;
        text-align: center;
    }

    .footer__social {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: 48px 0 24px;
    }

    .footer__content {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }

    .footer__brand {
        max-width: 100%;
        margin: 0 auto;
    }

    .footer__title {
        margin-top: 8px;
    }

    .footer__bottom {
        padding-top: 20px;
    }

    .section {
        padding: 48px 0;
    }

    .section__header {
        margin-bottom: 48px;
    }

    .section__title {
        font-size: 28px;
    }

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

    .feature-card {
        padding: 24px;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 16px;
    }

    .nav {
        padding: 12px 16px;
    }

    .nav__logo {
        margin-left: 0;
    }

    .nav__toggle {
        margin-right: 0;
    }

    .nav__logo-icon svg {
        width: 26px;
        height: 26px;
    }

    .nav__logo-text {
        font-size: 24px;
    }

    .hero__badge {
        margin-top: 30px;
    }

    .section__subtitle {
        font-size: 12px;
    }

    .section__title {
        font-size: 24px;
    }

    .section__description {
        font-size: 15px;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

[data-animation] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animation].animated {
    opacity: 1;
    transform: translateY(0);
}

[data-animation="fade-up"].animated {
    animation: fadeUp 0.6s ease forwards;
}

[data-animation="fade-right"].animated {
    animation: fadeRight 0.6s ease forwards;
}

[data-animation="fade-left"].animated {
    animation: fadeLeft 0.6s ease forwards;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeLeft {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================
   BACK TO TOP
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top--visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: #0369a1;
    transform: translateY(-4px);
}