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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --accent: #ec4899;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #f1f5f9;
    --white: #ffffff;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    padding: 12px 0;
    box-shadow: 0 1px 0 0 rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: padding 0.3s ease, box-shadow 0.3s ease;
}

header.scrolled {
    padding: 10px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.nav-menu {
    display: flex;
    gap: 32px;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: var(--dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
    position: relative;
    padding: 8px 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary);
}

.nav-menu a:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--dark);
    padding: 8px;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        gap: 0;
        padding: 20px;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 999;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-menu a {
        width: 100%;
        padding: 16px;
        border-bottom: 1px solid #e2e8f0;
        display: block;
    }

    .nav-menu a::after {
        display: none;
    }
}

.logo {
    font-size: 20px;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: font-size 0.3s ease;
    text-decoration: none;
}

header.scrolled .logo {
    font-size: 18px;
    gap: 6px;
}

.logo-icon {
    height: 120px;
    width: 120px;
    border-radius: 50%;
    object-fit: cover;
    transition: height 0.3s ease, width 0.3s ease;
}

header.scrolled .logo-icon {
    height: 50px;
    width: 50px;
}

/* Hero Section */
.hero {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    padding: 50px 20px 100px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(30px, -30px) rotate(5deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 32px;
    animation: fadeInUp 0.6s ease-out;
}

.hero h1 {
    font-size: clamp(42px, 8vw, 76px);
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.1;
    background: linear-gradient(135deg, #0f172a 0%, #475569 50%, #6366f1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: clamp(18px, 2.5vw, 22px);
    color: var(--gray);
    margin-bottom: 48px;
    line-height: 1.7;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease-out;
}

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

.download-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 48px;
    animation: fadeInUp 1.2s ease-out;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 28px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-ios {
    background: var(--dark);
    color: white;
    cursor: default;
    opacity: 0.85;
}

.btn-ios:hover {
    background: var(--dark);
    transform: none;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.btn-android {
    background: var(--gray-light);
    color: var(--dark);
    border: 2px solid #e2e8f0;
    cursor: not-allowed;
    opacity: 0.6;
    position: relative;
}

.btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.btn-label {
    font-size: 12px;
    opacity: 0.8;
    font-weight: 400;
}

.btn-main {
    font-size: 18px;
    font-weight: 600;
}

.coming-soon-badge {
    position: absolute;
    top: 0px;
    right: 0px;
    background: var(--accent);
    color: white;
    font-size: 10px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(236, 72, 153, 0.3);
}

/* Waitlist Section */
.waitlist {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    padding: 24px 20px 80px;
}

.waitlist-card {
    max-width: 720px;
    margin: 0 auto;
    background: white;
    border-radius: 18px;
    box-shadow: 0 8px 18px -8px rgba(15, 23, 42, 0.16);
    border: 1px solid #e2e8f0;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr;
    align-items: stretch;
}

.waitlist-content {
    padding: 34px 30px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.waitlist-content .section-badge { display: inline-block; }
.waitlist-content .section-title { font-size: 24px; font-weight: 700; margin-bottom: 12px; }

.waitlist-lead {
    font-size: 14px;
    font-weight: 400;
    color: var(--gray);
    line-height: 1.55;
    margin-bottom: 16px;
}

.waitlist-highlight {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(16, 185, 129, 0.08) 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 12px;
    padding: 14px;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.waitlist-highlight-icon { font-size: 20px; line-height: 1; }
.waitlist-highlight p { margin: 0; font-size: 13px; color: #334155; line-height: 1.45; }
.waitlist-highlight strong { font-weight: 600; }

/* Red asterisk for required fields (waitlist, contact, etc.) */
.required-star {
    color: #dc2626;
    font-weight: 700;
    margin-left: 2px;
}

.waitlist-form {
    padding: 30px 26px;
    background: #fafbfc;
    border-left: none;
    border-top: 1px solid #e2e8f0;
}

.waitlist .waitlist-form .form-group { margin-bottom: 10px; }
.waitlist .waitlist-form .form-success { margin-bottom: 14px; }
.waitlist .waitlist-form label {
    font-size: 10px;
    font-weight: 400;
    color: #334155;
    margin-bottom: 3px;
    display: block;
    line-height: 1.2;
}

.waitlist .waitlist-form input,
.waitlist .waitlist-form select {
    width: 100%;
    padding: 6px 8px;
    font-size: 11px;
    font-family: inherit;
    border: 1.5px solid #e2e8f0;
    border-radius: 7px;
    background: #fff;
    color: var(--dark);
    line-height: 1.3;
    min-height: 32px;
}

.waitlist .waitlist-form select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    padding-right: 22px;
}

.waitlist .waitlist-form input:focus,
.waitlist .waitlist-form select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.12);
}

.waitlist-challenge-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 6px;
}

.waitlist-challenge-option {
    position: relative;
    display: block;
    border: 1px solid #dbe3ef;
    border-radius: 999px;
    background: #fff;
    color: #475569;
    font-size: 11px;
    padding: 7px 10px;
    line-height: 1.3;
    cursor: pointer;
    transition: all 0.18s ease;
    user-select: none;
    text-align: center;
}

.waitlist-challenge-option:hover {
    border-color: #b8c6e6;
    background: #f8fbff;
}

.waitlist-challenge-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.waitlist-challenge-option:has(input:checked) {
    border-color: #6366f1;
    color: #3730a3;
    background: #eef2ff;
    box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.2);
}

.waitlist-extra-fields {
    margin-top: 10px;
    padding-top: 2px;
}

.waitlist .waitlist-form .form-submit {
    margin-top: 8px;
    padding: 8px 10px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 500;
}

@media (max-width: 768px) {
    .waitlist-content, .waitlist-form { padding: 24px 20px; }
    /* Keep two columns on mobile so subject/challenge pills stay scannable */
    .waitlist-challenge-options {
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }
    .waitlist-challenge-option {
        font-size: 10px;
        padding: 6px 8px;
    }
}

/* Why Umbar Section */
.why-umbar {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    padding: 120px 20px;
    position: relative;
}

.problem-statement {
    max-width: 800px;
    margin: 0 auto 64px;
    text-align: center;
}

.problem-statement p {
    font-size: 19px;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 16px;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 1100px;
    margin: 0 auto;
}

.value-card {
    background: white;
    border-radius: 20px;
    padding: 36px 32px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -8px rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.3);
}

.value-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
}

.value-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.value-card p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.7;
}

.differentiators {
    max-width: 900px;
    margin: 72px auto 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.diff-item {
    display: flex;
    gap: 14px;
    padding: 20px 24px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.04) 0%, rgba(139, 92, 246, 0.04) 100%);
    border-radius: 14px;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

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

.diff-item h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.diff-item p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 768px) {
    .differentiators {
        grid-template-columns: 1fr;
    }
}

/* Features Section */
.features {
    background: var(--white);
    padding: 120px 20px;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--dark);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 20px;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 64px;
}

.feature-card {
    background: var(--white);
    padding: 40px 32px;
    border-radius: 24px;
    border: 1px solid #e2e8f0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(99, 102, 241, 0.15), 0 10px 10px -5px rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.4);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 24px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-radius: 16px;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.feature-card p {
    color: var(--gray);
    font-size: 16px;
    line-height: 1.7;
}

/* User Type Sections */
.user-type-section {
    margin-top: 80px;
}

.user-type-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 32px;
    text-align: center;
    position: relative;
    display: inline-block;
    width: 100%;
}

.user-type-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-1);
    border-radius: 2px;
}

/* Marketplace hero card - modern live feature block */
.marketplace-hero-card {
    max-width: 900px;
    margin: 64px auto 80px;
    scroll-margin-top: 100px;
    background: linear-gradient(145deg, rgba(99, 102, 241, 0.06) 0%, rgba(139, 92, 246, 0.06) 50%, rgba(16, 185, 129, 0.04) 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 28px;
    padding: 48px 40px;
    text-align: center;
    box-shadow: 0 4px 24px -4px rgba(99, 102, 241, 0.12), 0 0 0 1px rgba(255,255,255,0.8) inset;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.marketplace-hero-card:hover {
    box-shadow: 0 12px 40px -8px rgba(99, 102, 241, 0.2), 0 0 0 1px rgba(255,255,255,0.9) inset;
}
.marketplace-live-badge {
    display: inline-block;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(5, 150, 105, 0.2) 100%);
    border: 1px solid rgba(16, 185, 129, 0.5);
    color: #059669;
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
}
.marketplace-feature-pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 28px;
}
.marketplace-feature-pills span {
    display: inline-block;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.25);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}
@media (max-width: 640px) {
    .marketplace-hero-card { padding: 32px 24px; border-radius: 20px; }
    .marketplace-feature-pills { gap: 8px; margin-top: 20px; }
    .marketplace-feature-pills span { font-size: 13px; padding: 6px 12px; }
}

/* Modern enhancements */
.feature-card h3 {
    letter-spacing: -0.01em;
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Keep anchor targets visible below sticky header */
section[id],
div[id] {
    scroll-margin-top: 50px;
}

/* Enhanced button styles */
.btn {
    font-weight: 600;
    letter-spacing: -0.01em;
}

/* About Section */
.about {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    padding: 120px 20px;
    position: relative;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content h2 {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    margin-bottom: 24px;
    color: var(--dark);
    line-height: 1.2;
}

.about-content p {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 24px;
    line-height: 1.8;
}

.umbar-acronym {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 24px;
    margin: 32px 0 24px;
    padding: 24px 20px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
    border-radius: 16px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.umbar-acronym-item {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.umbar-acronym-letter {
    font-size: 22px;
    font-weight: 800;
    color: var(--primary);
}

.umbar-acronym-word {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
}

.umbar-tagline {
    font-size: 17px;
    font-weight: 700;
    color: var(--dark);
    margin-top: 8px;
    letter-spacing: -0.02em;
}

/* Story Section */
.story {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    padding: 120px 20px;
    position: relative;
}

.story-content {
    max-width: 900px;
    margin: 0 auto;
}

.story-content h2 {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    margin-bottom: 32px;
    color: var(--dark);
    line-height: 1.2;
    text-align: center;
}

.story-content .story-text {
    font-size: 18px;
    color: var(--gray);
    line-height: 1.9;
    margin-bottom: 24px;
}

.story-content .story-text:last-child {
    margin-bottom: 0;
}

.story-highlight {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-left: 4px solid var(--primary);
    padding: 24px 32px;
    margin: 32px 0;
    border-radius: 12px;
    font-size: 18px;
    line-height: 1.8;
    color: var(--dark);
}

/* Contact Section */
.contact {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    padding: 120px 20px;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-form {
    background: white;
    padding: 48px;
    border-radius: 24px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border: 1px solid #e2e8f0;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    font-family: inherit;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    transition: all 0.3s ease;
    background: var(--white);
    color: var(--dark);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.form-submit {
    width: 100%;
    padding: 16px;
    font-size: 16px;
    font-weight: 600;
    color: white;
    background: var(--primary);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 8px;
}

.form-submit:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.3), 0 4px 6px -2px rgba(99, 102, 241, 0.2);
}

.form-submit:active {
    transform: translateY(0);
}

.form-success {
    display: none;
    padding: 16px;
    background: #d1fae5;
    border: 2px solid #10b981;
    border-radius: 12px;
    color: #065f46;
    font-weight: 500;
    margin-bottom: 24px;
    text-align: center;
}

.form-success.show {
    display: block;
}

/* Footer */
footer {
    background: var(--dark);
    color: white;
    padding: 60px 20px 40px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 24px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 15px;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 32px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.social-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.social-link {
    width: 38px;
    height: 38px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.08);
    transition: all 0.25s ease;
}

.social-link:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.45);
    transform: translateY(-1px);
}

.social-link svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* Responsive */
@media (max-width: 768px) {
    .logo-icon {
        width: 62px;
        height: 62px;
    }

    header.scrolled .logo-icon {
        width: 40px;
        height: 40px;
    }

    .hero {
        padding: 80px 20px 60px;
    }

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

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

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

    .contact-form {
        padding: 32px 24px;
    }

    .story-content {
        padding: 0 10px;
    }

    .story-content h2 {
        font-size: 28px;
        margin-bottom: 24px;
    }

    .story-content .story-text {
        font-size: 16px;
        line-height: 1.8;
    }

    .story-highlight {
        padding: 20px 24px;
        margin: 24px 0;
        font-size: 16px;
    }

    .story {
        padding: 80px 20px;
    }

    .social-link {
        width: 36px;
        height: 36px;
    }
}