/* ========================================
   SnapIt Landing Page — Premium Minimal
   ======================================== */

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

:root {
    --black: #000000;
    --white: #FFFFFF;
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F5;
    --gray-200: #E8E8E8;
    --gray-300: #D4D4D4;
    --gray-400: #A1A1AA;
    --gray-500: #71717A;
    --gray-600: #52525B;
    --gray-700: #3F3F46;
    --gray-800: #27272A;
    --gray-900: #18181B;
    --green: #22C55E;
    --green-soft: #22C55E12;
    --red: #EF4444;
    --red-soft: #EF444410;
    --orange: #F59E0B;
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-pill: 100px;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--gray-900);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Animations
   ======================================== */
.section, .proof-strip, .step-card, .bento-card, .testimonial-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.section.visible, .proof-strip.visible, .step-card.visible,
.bento-card.visible, .testimonial-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.step-card:nth-child(2) { transition-delay: 0.1s; }
.step-card:nth-child(3) { transition-delay: 0.2s; }
.bento-card:nth-child(2) { transition-delay: 0.05s; }
.bento-card:nth-child(3) { transition-delay: 0.1s; }
.bento-card:nth-child(4) { transition-delay: 0.15s; }
.bento-card:nth-child(5) { transition-delay: 0.2s; }
.testimonial-card:nth-child(2) { transition-delay: 0.1s; }
.testimonial-card:nth-child(3) { transition-delay: 0.2s; }

/* ========================================
   Navigation
   ======================================== */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.logo-icon { font-size: 24px; }

.logo-text {
    font-size: 20px;
    font-weight: 800;
    color: var(--black);
    letter-spacing: -0.5px;
}

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

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-500);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-link:hover { color: var(--black); }

.nav-cta {
    display: inline-flex;
    align-items: center;
    padding: 8px 20px;
    background: var(--black);
    color: var(--white);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-pill);
    transition: opacity 0.2s;
}

.nav-cta:hover { opacity: 0.85; }

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    border-radius: var(--radius-pill);
}

.btn-primary {
    background: var(--black);
    color: var(--white);
    padding: 14px 32px;
    font-size: 16px;
}

.btn-primary:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

.btn-white {
    background: var(--white);
    color: var(--black);
    padding: 14px 32px;
    font-size: 16px;
}

.btn-white:hover {
    background: var(--gray-100);
    transform: translateY(-1px);
}

.btn-lg {
    padding: 16px 40px;
    font-size: 17px;
}

/* ========================================
   Hero
   ======================================== */
.hero {
    padding: 140px 0 80px;
    overflow: hidden;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--green-soft);
    color: var(--green);
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-pill);
    margin-bottom: 24px;
    border: 1px solid rgba(34, 197, 94, 0.15);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--green);
    border-radius: 50%;
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero-title {
    font-size: 54px;
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -2.5px;
    color: var(--black);
    margin-bottom: 20px;
}

.hero-highlight {
    background: linear-gradient(135deg, #22C55E, #16A34A);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 17px;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 460px;
}

.hero-cta-group {
    margin-bottom: 12px;
}

.hero-note {
    font-size: 13px;
    color: var(--gray-400);
}

/* Phone Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    position: relative;
}

.phone-mockup {
    width: 272px;
    height: 556px;
    background: var(--black);
    border-radius: 44px;
    padding: 10px;
    box-shadow:
        0 0 0 1px rgba(0,0,0,0.05),
        0 25px 60px rgba(0,0,0,0.12),
        0 60px 120px rgba(0,0,0,0.08);
    position: relative;
    z-index: 2;
}

.phone-notch {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 96px;
    height: 26px;
    background: var(--black);
    border-radius: 20px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--white);
    border-radius: 36px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.screen-status-bar {
    padding: 14px 24px 0;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-400);
}

.screen-lock-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    text-align: center;
}

.lock-pulse {
    position: absolute;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 2px solid var(--gray-200);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -80px);
    animation: lockpulse 2.5s ease-in-out infinite;
}

@keyframes lockpulse {
    0%, 100% { transform: translate(-50%, -80px) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -80px) scale(1.3); opacity: 0; }
}

.lock-icon-wrap {
    width: 64px;
    height: 64px;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--black);
}

.lock-task {
    font-size: 20px;
    font-weight: 800;
    color: var(--black);
    margin-bottom: 4px;
    letter-spacing: -0.5px;
}

.lock-time {
    font-size: 14px;
    color: var(--gray-400);
    font-weight: 500;
    margin-bottom: 20px;
}

.lock-divider {
    width: 40px;
    height: 1px;
    background: var(--gray-200);
    margin-bottom: 20px;
}

.lock-instruction {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 16px;
}

.lock-snap-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--black);
    color: var(--white);
    font-size: 14px;
    font-weight: 700;
    border-radius: var(--radius-pill);
    border: none;
    letter-spacing: -0.2px;
}

/* Floating Badges */
.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-800);
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
    z-index: 3;
    animation: float 3s ease-in-out infinite;
}

.fb-icon { font-size: 16px; }

.fb-streak {
    top: 120px;
    right: -10px;
    animation-delay: 0s;
}

.fb-verified {
    bottom: 160px;
    left: -20px;
    animation-delay: 1s;
}

.fb-score {
    bottom: 80px;
    right: -15px;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

/* ========================================
   Proof Strip
   ======================================== */
.proof-strip {
    padding: 36px 0;
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}

.proof-items {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
}

.proof-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.proof-number {
    font-size: 26px;
    font-weight: 800;
    color: var(--black);
    letter-spacing: -1px;
}

.proof-star {
    color: var(--orange);
    font-size: 18px;
    margin-left: 2px;
}

.proof-label {
    font-size: 13px;
    color: var(--gray-500);
    font-weight: 500;
}

.proof-dot {
    width: 4px;
    height: 4px;
    background: var(--gray-300);
    border-radius: 50%;
}

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

.section-alt {
    background: var(--gray-50);
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--gray-400);
    margin-bottom: 16px;
}

.section-title {
    font-size: 40px;
    font-weight: 900;
    line-height: 1.12;
    letter-spacing: -1.5px;
    color: var(--black);
    margin-bottom: 14px;
}

.section-subtitle {
    font-size: 17px;
    color: var(--gray-500);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ========================================
   Comparison
   ======================================== */
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    max-width: 760px;
    margin: 0 auto;
}

.comparison-card {
    padding: 32px;
    border-radius: var(--radius-lg);
}

.comparison-bad {
    background: var(--white);
    border: 1px solid var(--gray-200);
}

.comparison-good {
    background: var(--gray-900);
}

.comparison-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
}

.comparison-icon { font-size: 20px; }

.comparison-label {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-400);
}

.comparison-good .comparison-label { color: var(--gray-400); }

.comparison-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.comparison-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-700);
}

.comparison-good .comparison-list li { color: rgba(255,255,255,0.85); }

.x-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    background: var(--red-soft);
    color: var(--red);
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
}

.check-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    background: var(--green);
    color: var(--white);
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
}

/* ========================================
   Steps
   ======================================== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.step-card {
    padding: 36px 28px;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.06);
}

.step-card-dark {
    background: var(--gray-900);
    border-color: var(--gray-900);
}

.step-card-dark .step-number { color: var(--green); }
.step-card-dark .step-title { color: var(--white); }
.step-card-dark .step-desc { color: var(--gray-400); }
.step-card-dark .step-visual { color: var(--white); }

.step-top { margin-bottom: 20px; }

.step-number {
    font-size: 13px;
    font-weight: 800;
    color: var(--gray-400);
    letter-spacing: 1px;
}

.step-visual {
    margin-bottom: 20px;
    color: var(--black);
}

.step-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 8px;
    letter-spacing: -0.3px;
}

.step-desc {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ========================================
   Bento Features Grid
   ======================================== */
.features-bento {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.bento-card {
    padding: 28px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: transform 0.2s;
}

.bento-card:hover {
    transform: translateY(-3px);
}

.bento-large {
    grid-column: span 2;
}

.bento-icon {
    width: 48px;
    height: 48px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--black);
}

.bento-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 6px;
    letter-spacing: -0.2px;
}

.bento-desc {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ========================================
   Testimonials
   ======================================== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.testimonial-card {
    padding: 28px;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.testimonial-featured {
    background: var(--gray-900);
    border-color: var(--gray-900);
}

.testimonial-featured .testimonial-text { color: rgba(255,255,255,0.85); }
.testimonial-featured .testimonial-name { color: var(--white); }
.testimonial-featured .testimonial-avatar {
    background: var(--gray-700);
    color: var(--white);
}

.testimonial-stars {
    color: var(--orange);
    font-size: 15px;
    letter-spacing: 2px;
    margin-bottom: 14px;
}

.testimonial-text {
    font-size: 15px;
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: 20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 10px;
}

.testimonial-avatar {
    width: 36px;
    height: 36px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: var(--gray-600);
}

.testimonial-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--black);
}

.testimonial-meta {
    font-size: 12px;
    color: var(--orange);
    font-weight: 500;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    background: var(--black);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(34, 197, 94, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.cta-content {
    max-width: 520px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255,255,255,0.08);
    color: var(--gray-400);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-radius: var(--radius-pill);
    margin-bottom: 24px;
    border: 1px solid rgba(255,255,255,0.08);
}

.cta-title {
    font-size: 42px;
    font-weight: 900;
    color: var(--white);
    letter-spacing: -2px;
    line-height: 1.1;
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 17px;
    color: var(--gray-400);
    margin-bottom: 32px;
    line-height: 1.6;
}

.cta-note {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 16px;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: 48px 0 32px;
    border-top: 1px solid var(--gray-200);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.footer-brand .logo-icon,
.footer-brand .logo-text {
    display: inline;
}

.footer-tagline {
    font-size: 14px;
    color: var(--gray-400);
    margin-top: 4px;
}

.footer-columns {
    display: flex;
    gap: 64px;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col-title {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-400);
    margin-bottom: 4px;
}

.footer-col a {
    font-size: 14px;
    color: var(--gray-600);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-col a:hover { color: var(--black); }

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--gray-100);
}

.footer-bottom p {
    font-size: 13px;
    color: var(--gray-400);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
    .nav-links { gap: 20px; }
    .nav-link { display: none; }

    .hero { padding: 110px 0 60px; }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }

    .hero-title {
        font-size: 38px;
        letter-spacing: -1.5px;
    }

    .hero-subtitle {
        margin: 0 auto 28px;
    }

    .hero-cta-group {
        display: flex;
        justify-content: center;
    }

    .hero-note { text-align: center; }

    .floating-badge { display: none; }

    .phone-mockup {
        width: 240px;
        height: 490px;
    }

    .section-title {
        font-size: 30px;
        letter-spacing: -1px;
    }

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

    .bento-large { grid-column: span 1; }

    .proof-items { gap: 32px; }
    .proof-number { font-size: 22px; }

    .cta-title { font-size: 32px; }

    .footer-top {
        flex-direction: column;
        gap: 32px;
    }

    .footer-columns { gap: 40px; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 32px; }
    .section-title { font-size: 26px; }

    .proof-items {
        flex-direction: column;
        gap: 16px;
    }

    .proof-dot {
        width: 32px;
        height: 1px;
        border-radius: 0;
    }

    .cta-title { font-size: 28px; }
}