/* ============================================================
   婚礼有序 Official Website — v7 Unified Dark Elegant Theme
   ============================================================ */

/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;700&family=Outfit:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,600;1,400&display=swap');

/* ---- Design Tokens ---- */
:root {
    --font-heading: 'Noto Serif SC', 'Playfair Display', Georgia, serif;
    --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Core Palette */
    --dark-bg: #1C1617;
    --dark-surface: #252021;
    --dark-divider: #2E2728;
    --warm-bg: #F5F5F5;
    --warm-surface: #EAEAEA;
    --warm-divider: #E0E0E0;

    /* Text */
    --text-on-dark: #E8EAED;
    --text-on-dark-secondary: #9AA0A8;
    --text-on-dark-muted: #62686F;
    --text-on-light: #1B242C;
    --text-on-light-secondary: #4A535A;
    --text-on-light-muted: #828B93;

    /* Accent Colors */
    --color-gold: #C5A059;
    --color-rose: #E8A598;
    --color-terracotta: #D67B67;
    --color-blue: #6A8D9D;
    --color-navy: #1B324B;

    /* Shadows */
    --shadow-dark: rgba(0, 0, 0, 0.5);
    --shadow-light: rgba(27, 50, 75, 0.06);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--warm-bg);
    color: var(--text-on-light);
    font-family: var(--font-body);
    line-height: 1.7;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    letter-spacing: 0.02em;
    line-height: 1.3;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ---- Scroll Reveal ---- */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}


/* ============================================================
   HEADER
   ============================================================ */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.9); /* pure white with opacity */
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--warm-divider);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-area img {
    height: 32px;
    width: auto;
}

.logo-area span {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--text-on-light);
}

nav {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

nav a {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-on-light-secondary);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    position: relative;
    padding: 0.5rem 0;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1.5px;
    background-color: var(--color-gold);
    transition: width 0.3s ease;
}

nav a:hover {
    color: var(--text-on-light);
}

nav a:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* ---- Buttons ---- */
.btn-primary {
    background-color: var(--color-navy);
    color: #FFFFFF !important;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.7rem 1.6rem;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(27, 50, 75, 0.12);
}

.btn-outline {
    border: 1.5px solid var(--color-navy);
    color: var(--color-navy);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.65rem 1.6rem;
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background-color: rgba(27, 50, 75, 0.05);
    transform: translateY(-2px);
}


/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
    padding: 180px 0 140px 0;
    background-image: linear-gradient(rgba(28, 22, 23, 0.38), rgba(28, 22, 23, 0.38)), url('assets/majestic_scenic_bg.png');
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
    image-rendering: -webkit-optimize-contrast;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 5rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    height: 480px;
}

.hero-overlapping-mockups {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-overlapping-mockups .mockup-card {
    position: absolute;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 
        0 25px 60px rgba(0, 0, 0, 0.35),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    background: #FFFFFF;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.6s ease;
}

.hero-overlapping-mockups .mockup-card img {
    width: 100%;
    display: block;
}

.hero-overlapping-mockups .mockup-back {
    width: 240px;
    left: 8%;
    top: 30px;
    z-index: 1;
    transform: rotate(-6deg);
}

.hero-overlapping-mockups .mockup-front {
    width: 230px;
    right: 12%;
    bottom: 30px;
    z-index: 2;
    transform: rotate(6deg);
}

/* Hover effects */
.hero-visual:hover .mockup-back {
    transform: translate(-15px, -12px) rotate(-9deg) scale(1.02);
    box-shadow: 0 35px 75px rgba(0, 0, 0, 0.45);
}

.hero-visual:hover .mockup-front {
    transform: translate(15px, 12px) rotate(9deg) scale(1.02);
    box-shadow: 0 45px 85px rgba(0, 0, 0, 0.45);
}

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

.hero-eyebrow {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 1.5rem;
}

.hero-text h1 {
    font-size: 4.2rem;
    line-height: 1.2;
    margin-bottom: 2rem;
    color: #FFFFFF;
    font-family: var(--font-heading);
    font-weight: 700;
}

.hero-tagline {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.88);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1.2rem;
}

/* Hero Button overrides to keep them readable over the background image */
.hero .btn-primary {
    background-color: #FFFFFF;
    color: #0A0A0B !important;
}

.hero .btn-primary:hover {
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

.hero .btn-outline {
    border: 1.5px solid rgba(255, 255, 255, 0.5);
    color: #FFFFFF;
}

.hero .btn-outline:hover {
    border-color: #FFFFFF;
    background-color: rgba(255, 255, 255, 0.1);
}

/* Subtle radial glow behind hero */
.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(197, 160, 89, 0.06) 0%, transparent 70%);
    pointer-events: none;
}


/* ============================================================
   APP OVERVIEW SHOWCASE
   ============================================================ */
.app-overview-section {
    padding: 100px 0;
    background-color: var(--warm-bg);
    text-align: center;
    border-bottom: 1px solid var(--warm-divider);
}

.overview-header {
    max-width: 650px;
    margin: 0 auto 4rem auto;
}

.overview-header h2 {
    font-size: 2.5rem;
    color: var(--text-on-light);
    margin-bottom: 1rem;
}

.overview-header p {
    font-size: 1.05rem;
    color: var(--text-on-light-secondary);
}

.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.overview-card {
    background: #FFFFFF;
    border-radius: 16px;
    padding: 24px 24px 16px 24px;
    box-shadow: 0 15px 40px rgba(27, 50, 75, 0.05);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

.overview-card img {
    border-radius: 10px;
    width: 100%;
    height: auto;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
    margin-bottom: 1.2rem;
}

.card-caption {
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-on-light-secondary);
}

.overview-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(27, 50, 75, 0.1);
}


/* ============================================================
   TABBED SLIDER SHOWCASE (Biji.com style)
   ============================================================ */
.showcase-section {
    padding: 100px 0;
    background-color: var(--warm-bg);
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--warm-divider);
}

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

.showcase-subtitle {
    font-size: 1.1rem;
    color: var(--text-on-light-secondary);
    margin-bottom: 2rem;
    font-weight: 500;
}

/* Tab nav toggle buttons */
.tab-nav {
    display: inline-flex;
    background-color: #FFFFFF;
    padding: 6px;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(27, 50, 75, 0.04), 0 0 0 1px var(--warm-divider);
    gap: 4px;
}

.tab-btn {
    border: none;
    outline: none;
    background: transparent;
    padding: 0.8rem 2.2rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-on-light-secondary);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.tab-btn.active {
    background-color: #000000;
    color: #FFFFFF;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* Slider Track and Viewport */
.slider-viewport {
    width: 100%;
    overflow: visible;
    position: relative;
}

.slider-track {
    display: flex;
    position: relative;
    transition: transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
    align-items: center;
    padding: 20px 0;
}

/* Showcase Card container */
.showcase-card {
    flex-shrink: 0;
    width: 960px;
    margin: 0 40px;
    background-color: #FFFFFF;
    border-radius: 24px;
    box-shadow: 
        0 20px 50px rgba(27, 50, 75, 0.05),
        0 0 0 1px var(--warm-divider);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.6s ease;
    opacity: 0.4;
    transform: scale(0.94);
    pointer-events: none;
}

/* Active card styling */
.showcase-card.active {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
    box-shadow: 
        0 25px 65px rgba(27, 50, 75, 0.09),
        0 0 0 1px rgba(197, 160, 89, 0.15);
}

/* Card layout structure */
.card-content {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 4rem;
    padding: 4.5rem 4rem;
    align-items: center;
}

/* Left: Text column */
.card-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.card-badge {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-on-light);
    border: 1px solid var(--warm-divider);
    padding: 0.4rem 1.1rem;
    border-radius: 50px;
    margin-bottom: 1.8rem;
    background-color: var(--warm-surface);
}

.card-text h2 {
    font-size: 2.6rem;
    color: var(--text-on-light);
    margin-bottom: 1.2rem;
    line-height: 1.3;
}

.card-text p {
    font-size: 1.05rem;
    color: var(--text-on-light-secondary);
    line-height: 1.75;
    margin-bottom: 2rem;
}

.card-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.card-bullets li {
    position: relative;
    padding-left: 1.8rem;
    font-size: 0.95rem;
    color: var(--text-on-light-secondary);
}

.card-bullets li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-gold);
    font-weight: 700;
    font-size: 1rem;
}

/* Right: Visual column */
.card-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 100%;
    height: 380px;
}

/* Base screenshot styling in card */
.screenshot-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 
        0 15px 35px rgba(27, 50, 75, 0.08),
        0 0 0 1px rgba(0, 0, 0, 0.04);
    background: #FFFFFF;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.5s ease;
}

.screenshot-card img {
    width: 100%;
    display: block;
}

.single-screenshot {
    width: 210px;
    box-shadow: 0 15px 40px rgba(27, 50, 75, 0.08);
}

.single-screenshot:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(27, 50, 75, 0.15);
}

/* Dual overlapping screenshot styles inside slider */
.dual-screenshots {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.dual-screenshots .screenshot-back {
    position: absolute;
    width: 190px;
    left: 8%;
    top: 20px;
    z-index: 1;
    transform: rotate(-5deg);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.6s ease;
    box-shadow: 0 10px 30px rgba(27, 50, 75, 0.06);
}

.dual-screenshots .screenshot-front {
    position: absolute;
    width: 180px;
    right: 8%;
    bottom: 20px;
    z-index: 2;
    transform: rotate(5deg);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.6s ease;
    box-shadow: 0 15px 45px rgba(27, 50, 75, 0.12);
}

.showcase-card.active .dual-screenshots:hover .screenshot-back {
    transform: translate(-10px, -5px) rotate(-8deg);
    box-shadow: 0 25px 50px rgba(27, 50, 75, 0.12);
}

.showcase-card.active .dual-screenshots:hover .screenshot-front {
    transform: translate(10px, 5px) rotate(8deg);
    box-shadow: 0 35px 70px rgba(27, 50, 75, 0.22);
}

/* Slider Controls Indicators */
.slider-controls {
    display: flex;
    justify-content: center;
    margin-top: 3.5rem;
}

.slider-dots {
    display: flex;
    gap: 12px;
}

.dot-btn {
    border: none;
    outline: none;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--warm-divider);
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.dot-btn.active {
    background-color: #000000;
    transform: scale(1.3);
}


/* ============================================================
   CINEMATIC QUOTE BAND
   ============================================================ */
.cinematic-quote {
    position: relative;
    height: 70vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.cinematic-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Parallax */
    z-index: 1;
    image-rendering: -webkit-optimize-contrast;
}

.cinematic-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(28, 22, 23, 0.3) 0%,
        rgba(28, 22, 23, 0.45) 50%,
        rgba(28, 22, 23, 0.3) 100%
    );
    z-index: 2;
}

.cinematic-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 850px;
    padding: 0 2rem;
}

.cinematic-content blockquote {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    line-height: 1.6;
    color: #FFFFFF;
    font-weight: 400;
    margin-bottom: 2rem;
    letter-spacing: 0.02em;
}

.cinematic-author {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-gold);
    font-weight: 600;
}


/* ============================================================
   COLLABORATION SECTION
   ============================================================ */
.collab-section {
    padding: 130px 0;
    background-color: #FFFFFF;
    color: var(--text-on-light);
    border-top: 1px solid var(--warm-divider);
}

.collab-grid {
    display: grid;
    grid-template-columns: 0.4fr 0.6fr;
    gap: 5rem;
    align-items: center;
}

.collab-icon-ring {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--warm-surface) 0%, #FFFFFF 100%);
    border: 1px solid var(--warm-divider);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 20px 50px var(--shadow-light);
    overflow: hidden;
    padding: 30px;
}

.collab-icon-ring img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 12px;
}

.collab-text h2 {
    font-size: 2.8rem;
    color: var(--text-on-light);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.collab-text p {
    font-size: 1.05rem;
    color: var(--text-on-light-secondary);
    line-height: 1.85;
    margin-bottom: 2.5rem;
}

.collab-badges {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.collab-badge {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background-color: #FFFFFF;
    border: 1px solid var(--warm-divider);
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-on-light);
    box-shadow: 0 4px 12px var(--shadow-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.collab-badge:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(27, 50, 75, 0.1);
}

.collab-badge-icon {
    font-size: 1.1rem;
}


/* ============================================================
   FAQ SECTION
   ============================================================ */
.faq-section {
    padding: 130px 0;
    background-color: var(--warm-bg);
}

.section-header {
    text-align: center;
    max-width: 550px;
    margin: 0 auto 4.5rem auto;
}

.section-header h2 {
    font-size: 2.8rem;
    color: var(--text-on-light);
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-on-light-secondary);
    font-size: 1.05rem;
}

.faq-list {
    max-width: 750px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background-color: #FFFFFF;
    border: 1px solid var(--warm-divider);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(27, 50, 75, 0.02);
}

.faq-item:hover {
    border-color: rgba(197, 160, 89, 0.3);
    box-shadow: 0 8px 25px rgba(27, 50, 75, 0.04);
}

.faq-question {
    padding: 1.4rem 1.5rem;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    outline: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-on-light);
    font-size: 1rem;
    font-weight: 500;
    font-family: var(--font-heading);
    gap: 1rem;
}

.faq-icon {
    font-size: 1.3rem;
    color: var(--color-gold);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 1.5rem;
    color: var(--text-on-light-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item.active {
    border-color: var(--color-gold);
    background-color: rgba(197, 160, 89, 0.02);
    box-shadow: 0 8px 25px rgba(197, 160, 89, 0.05);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    color: var(--color-rose);
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-bottom: 1.5rem;
}


/* ============================================================
   CTA / DOWNLOAD SECTION
   ============================================================ */
.cta-section {
    padding: 130px 0;
    text-align: center;
    background-color: #FFFFFF;
    position: relative;
    overflow: hidden;
    border-top: 1px solid var(--warm-divider);
}

/* Decorative glow */
.cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(197, 160, 89, 0.04) 0%, rgba(232, 165, 152, 0.02) 40%, transparent 70%);
    pointer-events: none;
}

.cta-section h2 {
    font-size: 3rem;
    margin-bottom: 1.2rem;
    color: var(--text-on-light);
    position: relative;
}

.cta-section p {
    font-size: 1.15rem;
    color: var(--text-on-light-secondary);
    margin-bottom: 3.5rem;
    position: relative;
}

.cta-badge-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    flex-wrap: wrap;
    position: relative;
}

.cta-qr-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
}

.cta-qr-image {
    width: 140px;
    height: 140px;
    background-color: #FFFFFF;
    border-radius: 12px;
    padding: 0.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(27, 50, 75, 0.06), 0 0 0 1px var(--warm-divider);
}

.cta-qr-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.cta-qr-label {
    font-size: 0.82rem;
    color: var(--text-on-light-muted);
}

.cta-app-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.app-btn {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background-color: var(--color-navy);
    color: #FFFFFF;
    padding: 0.85rem 1.8rem;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(27, 50, 75, 0.12);
}

.app-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(27, 50, 75, 0.2);
}

.app-btn svg {
    width: 24px;
    height: 24px;
}

.app-btn-details {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.2;
}

.app-btn-sub {
    font-size: 0.6rem;
    opacity: 0.6;
    font-weight: 400;
}

.app-btn-title {
    font-size: 0.95rem;
}


/* ============================================================
   FOOTER
   ============================================================ */
footer {
    padding: 60px 0;
    background-color: var(--warm-bg);
    color: var(--text-on-light-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--warm-divider);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand h4 {
    color: var(--text-on-light);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.footer-brand p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: var(--text-on-light-muted);
}

.footer-links h5 {
    color: var(--text-on-light-secondary);
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.footer-links a {
    color: var(--text-on-light-muted);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--warm-divider);
    padding-top: 2rem;
    color: var(--text-on-light-muted);
}


/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3.5rem;
        text-align: center;
    }
    
    .hero-text {
        align-items: center;
        text-align: center;
        order: 1;
    }

    .hero-text h1 {
        font-size: 3.2rem;
    }

    .hero-tagline {
        margin-left: auto;
        margin-right: auto;
        max-width: 580px;
    }

    .hero-cta {
        justify-content: center;
    }
    
    .hero-visual {
        order: 2;
        height: 380px;
    }
    
    .hero-overlapping-mockups .mockup-back {
        width: 180px;
        left: 12%;
        top: 15px;
    }
    
    .hero-overlapping-mockups .mockup-front {
        width: 170px;
        right: 18%;
        bottom: 15px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .feature-row--reversed .feature-grid {
        direction: ltr;
    }

    .feature-text {
        order: 1;
    }

    .feature-visual {
        order: 2;
    }

    .feature-text h2 {
        font-size: 2.4rem;
    }

    .feature-bullets {
        align-items: center;
    }

    .feature-bullets li {
        text-align: left;
        max-width: 400px;
    }

    .collab-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .collab-text h2 {
        font-size: 2.2rem;
    }

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

    .collab-icon-ring {
        width: 220px;
        height: 220px;
    }

    .cinematic-content blockquote {
        font-size: 1.6rem;
    }

    /* Parallax off on tablet/mobile */
    .cinematic-bg {
        background-attachment: scroll;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 130px 0 80px 0;
    }

    .hero-text h1 {
        font-size: 2.6rem;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .hero-overlapping-mockups .mockup-back {
        width: 140px;
        left: 8%;
    }
    
    .hero-overlapping-mockups .mockup-front {
        width: 130px;
        right: 12%;
    }

    nav {
        display: none;
    }

    header .container {
        padding: 0 1rem;
    }

    .feature-row {
        padding: 80px 0;
    }

    .feature-text h2 {
        font-size: 2rem;
    }

    .cinematic-quote {
        height: 50vh;
        min-height: 350px;
    }

    .cinematic-content blockquote {
        font-size: 1.3rem;
    }

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

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

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

    .footer-bottom {
        flex-direction: column;
        gap: 0.8rem;
        text-align: center;
    }

    .collab-section {
        padding: 80px 0;
    }

    .faq-section {
        padding: 80px 0;
    }

    .cta-section {
        padding: 80px 0;
    }

    /* Overview grid for mobile */
    .overview-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        max-width: 320px;
        margin: 0 auto;
    }

    /* Slider Adaptations in Tablet Queries */
    .showcase-card {
        width: 700px;
        margin: 0 20px;
    }
    .card-content {
        gap: 2.5rem;
        padding: 3rem 2.5rem;
    }
    .card-text h2 {
        font-size: 2.2rem;
    }
    .card-visual {
        height: 340px;
    }
    .dual-screenshots .screenshot-back {
        width: 150px;
    }
    .dual-screenshots .screenshot-front {
        width: 140px;
    }

    /* Slider Adaptations in Mobile Queries */
    .showcase-section {
        padding: 60px 0;
    }
    .showcase-header {
        margin-bottom: 2.5rem;
    }
    .tab-nav {
        flex-wrap: wrap;
        border-radius: 20px;
        padding: 4px;
        justify-content: center;
        max-width: 320px;
        margin: 0 auto;
    }
    .tab-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.88rem;
    }
    .showcase-card {
        width: calc(100vw - 40px);
        margin: 0 10px;
        transform: scale(0.96);
    }
    .showcase-card.active {
        transform: scale(1);
    }
    .card-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        padding: 2.5rem 1.8rem;
        text-align: center;
    }
    .card-text {
        align-items: center;
    }
    .card-text h2 {
        font-size: 1.8rem;
    }
    .card-bullets {
        align-items: center;
        text-align: left;
    }
    .card-visual {
        height: 280px;
    }
    .single-screenshot {
        width: 150px;
    }
    .dual-screenshots .screenshot-back {
        width: 120px;
        left: 8%;
        top: 20px;
    }
    .dual-screenshots .screenshot-front {
        width: 110px;
        right: 8%;
        bottom: 20px;
    }
}