/* ============================================
   HOMEPAGE-SPECIFIC STYLES
   Ported from Jekyll site, adapted for Rails+Tailwind
   Dark mode uses .dark class (Tailwind convention)
   ============================================ */

/* ============================================
   THEME VARIABLES (homepage scope)
   ============================================ */

.homepage {
    --bg-primary: #FAFAF9;
    --bg-secondary: #F3F2EF;
    --bg-card: rgba(255, 255, 255, 0.8);

    --text-primary: #1a1a2e;
    --text-secondary: #555568;
    --text-tertiary: #717189;

    --accent-blue: #0a7f74;
    --accent-purple: #047857;
    --accent-pink: #34d399;
    --accent-cyan: #06b6d4;
    --accent-gold: #a3e635;

    --border-color: rgba(0, 0, 0, 0.06);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.04);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 16px 50px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 4px 30px rgba(13, 148, 136, 0.15);

    --particle-1: #0d9488;
    --particle-2: #10b981;
    --particle-3: #34d399;
    --particle-4: #06b6d4;
    --particle-opacity: 0.2;

    --hero-overlay-start: rgba(10, 10, 15, 0.82);
    --hero-overlay-mid: rgba(10, 10, 15, 0.72);
    --hero-overlay-end: rgba(10, 10, 15, 0.65);

    --input-bg: #ffffff;
    --input-text: #1a1a2e;
}

.dark .homepage {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111116;
    --bg-card: rgba(255, 255, 255, 0.03);

    --text-primary: #f0f0f5;
    --text-secondary: #a1a1aa;
    --text-tertiary: #8a8a93;

    --accent-blue: #2dd4bf;
    --accent-purple: #10b981;
    --accent-pink: #6ee7b7;
    --accent-cyan: #22d3ee;
    --accent-gold: #a3e635;

    --border-color: rgba(255, 255, 255, 0.06);
    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.06);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 50px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(45, 212, 191, 0.25);

    --particle-1: #2dd4bf;
    --particle-2: #10b981;
    --particle-3: #6ee7b7;
    --particle-4: #22d3ee;
    --particle-opacity: 0.35;

    --hero-overlay-start: rgba(10, 10, 15, 0.85);
    --hero-overlay-mid: rgba(10, 10, 15, 0.78);
    --hero-overlay-end: rgba(10, 10, 15, 0.70);

    --input-bg: rgba(255, 255, 255, 0.06);
    --input-text: #ffffff;
}

/* ============================================
   ANIMATED BACKGROUND
   ============================================ */

.homepage .animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: var(--particle-opacity);
    transition: opacity 0.3s ease;
}

.homepage #particles-canvas { width: 100%; height: 100%; }

/* ============================================
   GRADIENT TEXT
   ============================================ */

.homepage .gradient-text {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 50%, var(--accent-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: hp-gradientShift 6s ease infinite;
}

.dark .homepage .gradient-text {
    filter: drop-shadow(0 0 20px rgba(45, 212, 191, 0.3));
}

.homepage .hero .gradient-text {
    background: linear-gradient(135deg, #2dd4bf 0%, #10b981 50%, #6ee7b7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: hp-gradientShift 6s ease infinite;
    filter: drop-shadow(0 0 30px rgba(45, 212, 191, 0.4));
}

/* ============================================
   HOMEPAGE NAV TRANSPARENCY
   The Rails nav has: fixed top-0 ... bg-white/85 dark:bg-gray-950/80 ...
   On homepage, we override it to be transparent until scrolled.
   ============================================ */

.homepage-nav-transparent {
    background: transparent !important;
    border-bottom-color: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}

.homepage-nav-transparent.scrolled {
    background: rgba(250, 250, 249, 0.85) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border-bottom-color: rgba(0, 0, 0, 0.06) !important;
}

.dark .homepage-nav-transparent.scrolled {
    background: rgba(10, 10, 15, 0.8) !important;
    border-bottom-color: rgba(255, 255, 255, 0.06) !important;
}

/* Nav links over hero: light text when transparent */
.homepage-nav-transparent:not(.scrolled) a {
    color: rgba(255, 255, 255, 0.7) !important;
}

.homepage-nav-transparent:not(.scrolled) a:hover {
    color: #ffffff !important;
}

/* Logo text over hero */
.homepage-nav-transparent:not(.scrolled) a[class*="bg-gradient"] {
    background: none !important;
    -webkit-background-clip: unset !important;
    background-clip: unset !important;
    -webkit-text-fill-color: #ffffff !important;
    color: #ffffff !important;
}

/* Theme toggle over hero */
.homepage-nav-transparent:not(.scrolled) button[aria-label="Toggle theme"] {
    color: rgba(255, 255, 255, 0.6) !important;
    border-color: rgba(255, 255, 255, 0.15) !important;
}

.homepage-nav-transparent:not(.scrolled) button[aria-label="Toggle theme"]:hover {
    color: #ffffff !important;
    border-color: rgba(255, 255, 255, 0.3) !important;
}

/* Sign In / Sign Up links over hero */
.homepage-nav-transparent:not(.scrolled) a[class*="bg-teal"] {
    color: white !important;
    -webkit-text-fill-color: white !important;
}

/* ============================================
   CONTAINER
   ============================================ */

.homepage .container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   HERO
   ============================================ */

.homepage .hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background-image: url('/hero.jpg');
    background-size: cover;
    background-position: center;
    overflow: hidden;
    /* Offset the pt-16 from <main> so hero is full viewport */
    margin-top: -64px;
    padding-top: 64px;
}

.homepage .hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
        var(--hero-overlay-start) 0%,
        var(--hero-overlay-mid) 50%,
        var(--hero-overlay-end) 100%);
    z-index: 0;
}

.homepage .hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 24px;
    max-width: 800px;
    animation: hp-fadeInUp 1s ease-out;
}

.homepage .hero-eyebrow {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 24px;
}

.homepage .hero-title {
    font-size: clamp(2.4rem, 6vw, 4.2rem);
    font-weight: 600;
    line-height: 1.1;
    color: #ffffff;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.homepage .hero-subtitle {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    font-weight: 400;
}

.homepage .hero-fade {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to bottom, transparent, var(--bg-primary));
    z-index: 1;
}

/* ============================================
   CAPTURE (email form)
   ============================================ */

.homepage .capture {
    padding: 60px 0 80px;
    text-align: center;
}

.homepage .capture-form {
    max-width: 480px;
    margin: 0 auto;
}

.homepage .capture-inner {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.homepage .capture-form input[type="email"] {
    flex: 1;
    padding: 14px 18px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--input-text);
    font-size: 0.95rem;
    font-family: 'Sora', sans-serif;
    transition: border-color 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.homepage .capture-form input[type="email"]::placeholder {
    color: var(--text-tertiary);
}

.homepage .capture-form input[type="email"]:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

.homepage .btn-primary {
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border: none;
    border-radius: 10px;
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: 'Sora', sans-serif;
    cursor: pointer;
    white-space: nowrap;
    box-shadow: 0 4px 14px rgba(13, 148, 136, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.homepage .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.4);
}

.homepage .capture-note {
    margin-top: 14px;
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

/* Campaign Monitor form feedback */
.homepage .js-cm-form .js-cm-success-message {
    margin-top: 16px;
    padding: 14px 20px;
    background: rgba(13, 148, 136, 0.1);
    border: 1px solid rgba(13, 148, 136, 0.2);
    border-radius: 10px;
    color: var(--accent-blue);
    font-size: 0.9rem;
    font-weight: 500;
}

.homepage .js-cm-form .js-cm-error-message {
    margin-top: 16px;
    padding: 14px 20px;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.15);
    border-radius: 10px;
    color: #ef4444;
    font-size: 0.85rem;
}

/* ============================================
   SECTION COMMON
   ============================================ */

.homepage .section-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent-blue);
    text-align: center;
    margin-bottom: 12px;
}

.homepage .section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 600;
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--text-primary);
}

/* ============================================
   EVOLUTION
   ============================================ */

.homepage .evolution {
    padding: 100px 0 120px;
}

.homepage .evolution-track {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.homepage .evo-card {
    padding: 36px 28px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    transition: all 0.3s ease;
    position: relative;
    text-decoration: none;
    color: inherit;
    display: block;
}

.homepage .evo-card::after {
    content: 'Explore \2192';
    display: block;
    margin-top: 18px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent-blue);
    opacity: 0.5;
    transition: opacity 0.2s ease;
}

.homepage .evo-card:hover::after {
    opacity: 1;
}

.homepage .evo-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(13, 148, 136, 0.15);
}

.dark .homepage .evo-card:hover {
    box-shadow: 0 20px 50px rgba(45, 212, 191, 0.15);
    border-color: rgba(45, 212, 191, 0.2);
}

.homepage .evo-number {
    font-size: 0.7rem;
    font-weight: 700;
    font-family: 'Source Code Pro', monospace;
    color: var(--accent-blue);
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 16px;
    opacity: 0.6;
}

.homepage .evo-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

.homepage .evo-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   THE SHIFT
   ============================================ */

.homepage .shift {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.homepage .shift-statement {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.homepage .shift-small {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-tertiary);
    margin-bottom: 12px;
}

.homepage .shift-old {
    font-size: clamp(1.4rem, 2.5vw, 1.8rem);
    font-weight: 600;
    color: var(--text-tertiary);
    line-height: 1.3;
    text-decoration: line-through;
    text-decoration-color: var(--accent-pink);
    text-decoration-thickness: 2px;
}

.homepage .shift-divider {
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    margin: 40px auto;
    border-radius: 1px;
}

.homepage .shift-new {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

/* ============================================
   COMMUNITY
   ============================================ */

.homepage .community {
    padding: 100px 0 120px;
}

.homepage .community-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.homepage .comm-card {
    padding: 32px 26px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    transition: all 0.3s ease;
}

.homepage .comm-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.homepage .comm-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-blue);
    margin-bottom: 18px;
}

.homepage .comm-dot.dot-purple { background: var(--accent-purple); }
.homepage .comm-dot.dot-pink { background: var(--accent-pink); }
.homepage .comm-dot.dot-cyan { background: var(--accent-cyan); }
.homepage .comm-dot.dot-gold { background: var(--accent-gold); }

.homepage .comm-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

.homepage .comm-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

/* ============================================
   PROOF STRIP
   ============================================ */

.homepage .proof {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.homepage .proof-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
}

.homepage .proof-stat { text-align: center; }

.homepage .proof-number {
    font-size: 2.4rem;
    font-weight: 600;
    display: block;
    letter-spacing: -0.03em;
}

.homepage .proof-label {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-top: 4px;
    display: block;
}

.homepage .proof-divider {
    width: 1px;
    height: 50px;
    background: var(--border-color);
}

/* ============================================
   FINAL CTA
   ============================================ */

.homepage .final-cta {
    padding: 120px 0;
    text-align: center;
}

.homepage .final-cta h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 40px;
    color: var(--text-primary);
}

.homepage .final-cta .capture-form {
    max-width: 440px;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes hp-fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes hp-gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Scroll reveal */
.homepage .scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.homepage .scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered children */
.homepage .scroll-reveal:nth-child(1) { transition-delay: 0s; }
.homepage .scroll-reveal:nth-child(2) { transition-delay: 0.08s; }
.homepage .scroll-reveal:nth-child(3) { transition-delay: 0.08s; }
.homepage .scroll-reveal:nth-child(4) { transition-delay: 0.16s; }
.homepage .scroll-reveal:nth-child(5) { transition-delay: 0.24s; }
.homepage .scroll-reveal:nth-child(6) { transition-delay: 0.32s; }

/* ============================================
   FOCUS STYLES
   ============================================ */

.homepage .btn-primary:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

.homepage .evo-card:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

/* Screen-reader only text */
.homepage .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .homepage .hero-title {
        font-size: 2rem;
        line-height: 1.15;
    }

    .homepage .capture-inner {
        flex-direction: column;
    }

    .homepage .evolution-track {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .homepage .community-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .homepage .proof-inner {
        flex-direction: column;
        gap: 30px;
    }

    .homepage .proof-divider {
        width: 40px;
        height: 1px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .homepage .evolution-track {
        grid-template-columns: repeat(2, 1fr);
    }

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