/* ============================================
   LinkWeb - Landing Page Styles
   ============================================ */

/* === Navbar === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    padding: 16px 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    padding: 10px 0;
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.navbar-logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 4px;
}

.navbar-logo span {
    color: var(--primary);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.navbar-nav a {
    padding: 8px 16px;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--gray-700);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.navbar-nav a:hover {
    color: var(--gray-900);
    background: var(--gray-100);
}

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

/* === Hero Section === */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #d9f99d 0%, #a3e635 30%, #22c55e 60%, #16a34a 100%);
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(255,255,255,0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
    animation: fadeInUp 0.8s ease;
}

.hero-text h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 4rem;
    font-weight: 900;
    color: var(--gray-900);
    line-height: 1.05;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-text p {
    font-size: 1.15rem;
    color: var(--gray-800);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 480px;
    opacity: 0.85;
}

.hero-cta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.hero-input-group {
    display: flex;
    align-items: center;
    background: white;
    border-radius: var(--radius-full);
    padding: 6px 6px 6px 20px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 440px;
}

.hero-input-group span {
    font-weight: 600;
    color: var(--gray-500);
    white-space: nowrap;
    font-size: 0.95rem;
}

.hero-input-group input {
    flex: 1;
    padding: 12px 8px;
    background: transparent;
    font-size: 0.95rem;
    min-width: 120px;
}

.hero-input-group .btn {
    white-space: nowrap;
}

/* Hero Phone Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    animation: fadeInUp 1s ease 0.3s both;
}

.phone-mockup-hero {
    width: 300px;
    height: 600px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.3);
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.phone-mockup-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 28px;
    background: #000;
    border-radius: 0 0 16px 16px;
    z-index: 2;
}

.phone-screen-hero {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    border-radius: 30px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 60px 20px 20px;
}

.phone-screen-hero .mock-avatar {
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.3);
    border-radius: 50%;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.phone-screen-hero .mock-name {
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.phone-screen-hero .mock-bio {
    color: rgba(255,255,255,0.7);
    font-size: 0.8rem;
    margin-bottom: 20px;
}

.phone-screen-hero .mock-social {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.phone-screen-hero .mock-social-icon {
    width: 32px;
    height: 32px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: white;
}

.phone-screen-hero .mock-link {
    width: 100%;
    padding: 14px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    margin-bottom: 10px;
    text-align: center;
    color: white;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all var(--transition-fast);
}

.phone-screen-hero .mock-link:hover {
    background: rgba(255,255,255,0.3);
    transform: scale(1.02);
}

/* === Features Section === */
.features {
    padding: 120px 0;
    background: var(--bg-primary);
    position: relative;
}

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

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    color: var(--gray-900);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 2.8rem;
    color: var(--gray-900);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.feature-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 36px 28px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.2rem;
    color: var(--gray-900);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* === How It Works === */
.how-it-works {
    padding: 120px 0;
    background: var(--gray-950);
    color: white;
    position: relative;
    overflow: hidden;
}

.how-it-works::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(34, 197, 94, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.step-number {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin: 0 auto 24px;
    position: relative;
    z-index: 1;
}

.step-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: white;
}

.step-card p {
    color: var(--gray-400);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* === CTA Section === */
.cta-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #d9f99d 0%, #a3e635 50%, #22c55e 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23000' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--gray-900);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.cta-section p {
    font-size: 1.15rem;
    color: var(--gray-800);
    margin-bottom: 36px;
    opacity: 0.8;
}

/* === Footer === */
.footer {
    background: var(--gray-950);
    color: var(--gray-400);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    margin-bottom: 48px;
}

.footer-brand .navbar-logo {
    color: white;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 300px;
}

.footer-links h4 {
    color: white;
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.footer-links a {
    display: block;
    font-size: 0.88rem;
    color: var(--gray-400);
    padding: 4px 0;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 24px;
    text-align: center;
    font-size: 0.85rem;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

/* === Scroll Reveal === */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === Responsive === */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 3rem;
    }

    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-input-group {
        max-width: 100%;
    }

    .hero-visual {
        display: none;
    }

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

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

@media (max-width: 768px) {
    .navbar-nav {
        display: none;
    }

    .hero-text h1 {
        font-size: 2.2rem;
    }

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

    .section-header h2 {
        font-size: 2rem;
    }

    .cta-section h2 {
        font-size: 2.2rem;
    }

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