/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --black: #000000;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-400: #9ca3af;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
}

html {
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
    background: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-100);
    z-index: 1000;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    max-height: 100px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.logo-icon img {
    width: auto;
    height: auto;
    max-width: 100%;
    object-fit: contain;
    transform: scale(0.5);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--gray-900);
    font-weight: 500;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--gray-600);
}

.btn-nav {
    background: var(--black);
    color: var(--white);
    padding: 0.625rem 1.25rem;
    border-radius: 9999px;
    font-weight: 600;
}

.btn-nav:hover {
    background: var(--gray-800);
}

.language-switcher {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    padding-left: 1rem;
    border-left: 1px solid var(--gray-200);
}

.lang-btn {
    padding: 0.375rem 0.75rem;
    background: transparent;
    border: 1px solid var(--gray-300);
    border-radius: 0.375rem;
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
}

.lang-btn:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
}

.lang-btn.active {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

/* Hero Section */
.hero {
    padding: 8rem 1.5rem 5rem;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--black);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

.hero-title-sub {
    color: var(--gray-400);
}

.hero-description {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--gray-600);
    max-width: 48rem;
    margin: 0 auto 3rem;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--black);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 9999px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.125rem;
    transition: all 0.3s;
}

.btn-primary:hover {
    background: var(--gray-800);
    transform: translateY(-2px);
}

.icon {
    flex-shrink: 0;
}

/* Mobile Showcase */
.mobile-showcase {
    padding: 5rem 1.5rem;
    background: var(--gray-50);
}

.mobile-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.mobile-mockup {
    position: relative;
    display: flex;
    justify-content: center;
}

.phone {
    position: relative;
    width: 320px;
    background: var(--gray-900);
    border-radius: 3rem;
    padding: 0.75rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.phone-notch {
    background: var(--gray-900);
    height: 2rem;
    width: 10rem;
    border-bottom-left-radius: 1.5rem;
    border-bottom-right-radius: 1.5rem;
    margin: 0 auto;
}

.phone-content {
    background: linear-gradient(to bottom, var(--gray-50), var(--white));
    border-radius: 2.5rem;
    padding: 1.5rem;
    min-height: 32rem;
}

.phone-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.phone-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 0.25rem;
}

.phone-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
}

.phone-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--black);
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.phone-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.stat-card-small {
    background: var(--white);
    border-radius: 1rem;
    padding: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--gray-100);
}

.stat-label-small {
    font-size: 0.75rem;
    color: var(--gray-600);
    margin-bottom: 0.25rem;
}

.stat-value-small {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
}

.phone-preview {
    background: var(--white);
    border-radius: 1rem;
    padding: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--gray-100);
}

.phone-preview img {
    width: 100%;
    height: auto;
    border-radius: 0.5rem;
}

.app-preview-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* Mobile Text */
.section-badge {
    display: inline-block;
    background: var(--gray-100);
    color: var(--gray-900);
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

.section-title-sub {
    color: var(--gray-400);
}

.section-description {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--black);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.feature-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.feature-desc {
    color: var(--gray-600);
}

/* How It Works */
.how-it-works {
    padding: 5rem 1.5rem;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title-center {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.step-card {
    text-align: center;
}

.step-icon {
    width: 4rem;
    height: 4rem;
    background: var(--black);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    margin: 0 auto 1.5rem;
}

.step-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--gray-200);
    margin-bottom: 1rem;
}

.step-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--gray-900);
}

.step-description {
    color: var(--gray-600);
    line-height: 1.7;
}

/* Features Section */
.features {
    padding: 5rem 1.5rem;
    background: var(--gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.feature-card {
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: scale(1.02);
}

.feature-card-icon {
    width: 3rem;
    height: 3rem;
    background: var(--black);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    margin-bottom: 1rem;
}

.feature-card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--gray-900);
}

.feature-card-desc {
    color: var(--gray-600);
    line-height: 1.7;
}

/* Value Section */
.value-section {
    padding: 5rem 1.5rem;
    background: var(--white);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.value-card {
    background: var(--white);
    border-radius: 1.5rem;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--gray-100);
}

.value-number {
    font-size: 4.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.value-label {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.value-desc {
    color: var(--gray-600);
}

.value-highlight {
    background: linear-gradient(to bottom right, var(--black), var(--gray-800));
    border-radius: 1.5rem;
    padding: 3rem;
    text-align: center;
    color: var(--white);
}

.value-icon {
    margin: 0 auto 1.5rem;
    color: var(--white);
}

.value-highlight-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.value-highlight-desc {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    max-width: 48rem;
    margin: 0 auto;
}

/* Download Section */
.download-section-main {
    padding: 5rem 1.5rem;
    background: var(--gray-50);
    text-align: center;
}

.download-buttons-center {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.btn-primary-full {
    display: block;
    text-align: center;
    padding: 1rem 2rem;
    background: var(--black);
    color: var(--white);
    text-decoration: none;
    border-radius: 9999px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
}

.btn-primary-full:hover {
    background: var(--gray-800);
}

.store-badge {
    display: inline-block;
    transition: all 0.3s;
}

.store-badge:hover {
    transform: translateY(-4px);
    filter: brightness(1.1);
}

.store-badge-img {
    width: 180px;
    object-fit: contain;
    display: block;
}

/* Contact Section */
.contact-section {
    padding: 5rem 1.5rem;
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact-text {
    max-width: 500px;
}

.contact-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.contact-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--gray-700);
    font-weight: 500;
}

.contact-feature svg {
    color: var(--black);
}

.contact-form-wrapper {
    background: var(--gray-50);
    padding: 3rem;
    border-radius: 1.5rem;
    border: 1px solid var(--gray-200);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--gray-900);
    font-size: 0.875rem;
}

.optional {
    font-weight: 400;
    color: var(--gray-400);
}

.form-input {
    padding: 0.875rem 1rem;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 0.75rem;
    font-size: 1rem;
    color: var(--gray-900);
    transition: all 0.2s;
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: var(--black);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

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

textarea.form-input {
    resize: vertical;
    min-height: 100px;
}

.form-status {
    padding: 0.875rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
    display: none;
}

.form-status.success {
    display: block;
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.form-status.error {
    display: block;
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.form-privacy {
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: 0.5rem;
}

.form-privacy a {
    color: var(--black);
    text-decoration: underline;
}

/* Animations */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navigation scroll effect */
.nav.scrolled {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 4rem 1.5rem 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer-logo img {
    width: auto;
    height: auto;
    max-width: 100%;
    border-radius: 0.5rem;
    transform: scale(0.5);
}

.footer-logo span {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-desc {
    color: rgba(255, 255, 255, 0.8);
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.footer-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Seamless Experience Section */
.seamless-experience {
    padding: 5rem 1.5rem;
    background: var(--white);
}

.seamless-content {
    max-width: 1400px;
    margin: 0 auto;
}

.seamless-desktop {
    display: none;
}

.seamless-mobile {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.seamless-feature-mobile {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.seamless-icon {
    width: 3rem;
    height: 3rem;
    background: var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.seamless-icon img {
    width: 1.5rem;
    height: 1.5rem;
}

.seamless-feature-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
}

.seamless-feature-desc,
.seamless-feature-desc-mobile {
    color: var(--gray-700);
    line-height: 1.7;
    font-size: 1rem;
    text-align: center;
}

.seamless-image-mobile {
    width: 100%;
    height: 300px;
    border-radius: 1.5rem;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.seamless-dots {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    margin-top: 3rem;
}

.seamless-dot {
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    background: var(--gray-400);
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.seamless-dot.active {
    width: 2rem;
    height: 2rem;
    background: var(--black);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.seamless-dot:hover {
    background: var(--gray-500);
}

/* Desktop Layout */
@media (min-width: 1024px) {
    .seamless-mobile {
        display: none;
    }

    .seamless-desktop {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 6rem;
        align-items: center;
        min-height: 600px;
        position: relative;
    }

    .seamless-image-side {
        position: relative;
        width: 100%;
        height: 600px;
        border-radius: 2rem;
        background-size: cover;
        background-position: left center;
        background-repeat: no-repeat;
    }

    .seamless-text-side {
        display: flex;
        flex-direction: column;
        gap: 2rem;
        padding-left: 2rem;
    }

    .seamless-feature {
        display: flex;
        align-items: center;
        gap: 1rem;
    }

    .seamless-icon {
        width: 3.75rem;
        height: 3.75rem;
    }

    .seamless-icon img {
        width: 2.25rem;
        height: 2.25rem;
    }

    .seamless-feature-title {
        font-size: 1.5rem;
    }

    .seamless-feature-desc {
        font-size: 1.125rem;
        text-align: left;
        max-width: 32rem;
    }
}

/* Key Features Section */
.key-features-section {
    padding: 6rem 1.5rem;
    background: var(--gray-50);
    position: relative;
    overflow: hidden;
}

.key-features-wrapper {
    position: relative;
    z-index: 1;
}

.key-features-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('/images/BackGroundKeyLine2.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.05;
    z-index: 0;
}

.key-features-header {
    text-align: center;
    margin-bottom: 4rem;
}

.key-features-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.key-features-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 48rem;
    margin: 0 auto;
    line-height: 1.7;
}

.key-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.key-feature-card {
    background: linear-gradient(to bottom, var(--white), var(--gray-50));
    border-radius: 1.5rem;
    padding: 2.5rem 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: relative;
}

.key-feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.key-feature-content {
    flex: 1;
}

.key-feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.key-feature-desc {
    color: var(--gray-600);
    line-height: 1.7;
    font-size: 1rem;
}

.key-feature-image {
    width: 100%;
    border-radius: 1rem;
    overflow: hidden;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
}

.key-feature-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.key-feature-card:hover .key-feature-image img {
    transform: scale(1.05);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .key-features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

@media (max-width: 968px) {
    .nav-links a:not(.btn-nav) {
        display: none;
    }

    .mobile-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .phone {
        width: 280px;
    }

    .steps-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }

    .contact-form-wrapper {
        padding: 2rem;
    }

    .key-features-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 6rem 1.5rem 3rem;
    }

    .phone {
        width: 100%;
        max-width: 300px;
    }

    .download-buttons,
    .download-buttons-center {
        flex-direction: column;
        align-items: center;
    }

    .store-btn {
        width: 100%;
        max-width: 300px;
    }

    .key-features-section {
        padding: 4rem 1.5rem;
    }

    .key-feature-card {
        padding: 2rem 1.5rem;
    }
}