/* ===========================================
   thesecond.day - Dark Academia Portfolio
   Colors: #e8b84b, #4a90d9, #6c757d, #f5f0e8, #1a1a2e
   Fonts: Inter, Playfair Display Bold
   =========================================== */

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

:root {
    --gold: #e8b84b;
    --blue: #4a90d9;
    --gray: #6c757d;
    --cream: #f5f0e8;
    --deep: #1a1a2e;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--deep);
    color: var(--cream);
    overflow-x: hidden;
    line-height: 1.6;
}

/* ---- Retro Pattern Overlay ---- */
.retro-pattern-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.03;
    background-image:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 40px,
            #e8b84b 40px,
            #e8b84b 41px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 40px,
            #e8b84b 40px,
            #e8b84b 41px
        );
}

/* ---- Bubble Container ---- */
#bubble-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.water-bubble {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(74, 144, 217, 0.15), rgba(232, 184, 75, 0.05));
    border: 1px solid rgba(232, 184, 75, 0.08);
    animation: bubbleRise linear forwards;
}

@keyframes bubbleRise {
    0% {
        transform: translateY(0) scale(1);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-110vh) scale(0.3);
        opacity: 0;
    }
}

/* ---- Navigation ---- */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 3rem;
    z-index: 100;
    background: linear-gradient(180deg, rgba(26, 26, 46, 0.95) 0%, rgba(26, 26, 46, 0) 100%);
    backdrop-filter: blur(4px);
    transition: background 0.4s ease;
}

.main-nav.scrolled {
    background: rgba(26, 26, 46, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-icon {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.5rem;
    color: var(--gold);
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--gold);
    border-radius: 50%;
}

.brand-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--cream);
    letter-spacing: 0.02em;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--gray);
    text-decoration: none;
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--cream);
}

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

/* ---- Hero Section ---- */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 3rem 4rem;
    z-index: 2;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    position: relative;
    z-index: 3;
}

.hero-date-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1.5rem;
    border: 1px solid rgba(232, 184, 75, 0.3);
    border-radius: 50px;
    margin-bottom: 2rem;
    background: rgba(232, 184, 75, 0.05);
}

.badge-roman {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.2rem;
    color: var(--gold);
}

.badge-label {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.85rem;
    color: var(--gray);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(2.5rem, 6vw, 5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--cream);
}

.title-accent {
    color: var(--gold);
    display: block;
    font-style: italic;
}

.hero-subtitle {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 1.15rem;
    color: var(--gray);
    max-width: 560px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-block;
    padding: 0.85rem 2rem;
    background: var(--gold);
    color: var(--deep);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: #d4a43e;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 184, 75, 0.3);
}

.btn-secondary {
    display: inline-block;
    padding: 0.85rem 2rem;
    background: transparent;
    color: var(--cream);
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.9rem;
    text-decoration: none;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: 1px solid var(--gray);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: var(--cream);
    background: rgba(245, 240, 232, 0.05);
    transform: translateY(-2px);
}

/* Hero Bubbles */
.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.hero-bubble {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(232, 184, 75, 0.1);
    background: radial-gradient(circle at 30% 30%, rgba(74, 144, 217, 0.06), transparent);
    animation: heroFloat 8s ease-in-out infinite;
}

.hero-bubble-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: -5%;
    animation-delay: 0s;
}

.hero-bubble-2 {
    width: 200px;
    height: 200px;
    top: 50%;
    right: -3%;
    animation-delay: 2.5s;
}

.hero-bubble-3 {
    width: 150px;
    height: 150px;
    bottom: 10%;
    left: 15%;
    animation-delay: 5s;
}

@keyframes heroFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}

/* ---- Section Common ---- */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(2rem, 4vw, 3.2rem);
    color: var(--cream);
    margin-bottom: 0.75rem;
}

.section-desc {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 1rem;
    color: var(--gray);
    letter-spacing: 0.03em;
}

/* ---- Moments / Portfolio Grid ---- */
.moments-section {
    position: relative;
    z-index: 2;
    padding: 6rem 3rem;
    background: linear-gradient(180deg, var(--deep) 0%, #12121f 50%, var(--deep) 100%);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.grid-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    background: #1e1e36;
}

.grid-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.grid-item-large {
    grid-column: span 1;
    grid-row: span 2;
}

.grid-item-wide {
    grid-column: span 2;
}

.item-image {
    width: 100%;
    height: 100%;
    min-height: 250px;
    overflow: hidden;
    filter: saturate(0.7) sepia(0.15);
    transition: filter 0.4s ease;
}

.grid-item:hover .item-image {
    filter: saturate(0.9) sepia(0.05);
}

.item-svg {
    width: 100%;
    height: 100%;
    display: block;
}

.item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(0deg, rgba(26, 26, 46, 0.95) 0%, rgba(26, 26, 46, 0.6) 60%, transparent 100%);
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.4s ease;
}

.grid-item:hover .item-overlay {
    transform: translateY(0);
    opacity: 1;
}

.item-category {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 0.5rem;
    display: block;
}

.item-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--cream);
    margin-bottom: 0.4rem;
}

.item-desc {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.85rem;
    color: var(--gray);
    line-height: 1.5;
}

/* Ripple Effect */
.ripple-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(232, 184, 75, 0.15);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.ripple-effect.active {
    animation: rippleSpread 0.8s ease-out forwards;
}

@keyframes rippleSpread {
    0% {
        width: 0;
        height: 0;
        opacity: 1;
    }
    100% {
        width: 600px;
        height: 600px;
        opacity: 0;
    }
}

/* ---- Chronicle Section ---- */
.chronicle-section {
    position: relative;
    z-index: 2;
    padding: 6rem 3rem;
    background:
        repeating-linear-gradient(
            -45deg,
            transparent,
            transparent 20px,
            rgba(232, 184, 75, 0.015) 20px,
            rgba(232, 184, 75, 0.015) 21px
        ),
        linear-gradient(180deg, var(--deep) 0%, #151528 100%);
}

.chronicle-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.chronicle-card {
    background: rgba(245, 240, 232, 0.03);
    border: 1px solid rgba(232, 184, 75, 0.1);
    border-radius: 8px;
    padding: 2.5rem 2rem;
    position: relative;
    transition: all 0.4s ease;
    overflow: hidden;
}

.chronicle-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--gold), var(--blue));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.chronicle-card:hover {
    background: rgba(245, 240, 232, 0.06);
    border-color: rgba(232, 184, 75, 0.25);
    transform: translateY(-4px);
}

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

.card-number {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 3rem;
    color: rgba(232, 184, 75, 0.1);
    line-height: 1;
    margin-bottom: 1rem;
}

.card-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--cream);
    margin-bottom: 1rem;
}

.card-text {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.card-date {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 0.85rem;
    color: var(--gold);
    opacity: 0.7;
}

/* ---- Archive Section ---- */
.archive-section {
    position: relative;
    z-index: 2;
    padding: 6rem 3rem;
    background: linear-gradient(180deg, #151528 0%, var(--deep) 50%, #12121f 100%);
}

.archive-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 60px;
}

.timeline-line {
    position: absolute;
    top: 0;
    left: 20px;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--gold), var(--blue), var(--gold));
    opacity: 0.3;
}

.timeline-entry {
    position: relative;
    padding: 0 0 3rem 2rem;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.6s ease;
}

.timeline-entry.visible {
    opacity: 1;
    transform: translateX(0);
}

.entry-marker {
    position: absolute;
    left: -50px;
    top: 5px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--deep);
    border: 2px solid var(--gold);
    z-index: 2;
    transition: all 0.3s ease;
}

.timeline-entry:hover .entry-marker {
    background: var(--gold);
    box-shadow: 0 0 12px rgba(232, 184, 75, 0.4);
}

.entry-content {
    background: rgba(245, 240, 232, 0.03);
    border: 1px solid rgba(108, 117, 125, 0.15);
    border-radius: 8px;
    padding: 1.75rem;
    transition: all 0.3s ease;
}

.timeline-entry:hover .entry-content {
    background: rgba(245, 240, 232, 0.06);
    border-color: rgba(232, 184, 75, 0.2);
}

.entry-era {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 0.5rem;
    display: block;
}

.entry-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--cream);
    margin-bottom: 0.75rem;
}

.entry-text {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.7;
}

/* ---- About Section ---- */
.about-section {
    position: relative;
    z-index: 2;
    padding: 6rem 3rem;
    background:
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 30px,
            rgba(74, 144, 217, 0.01) 30px,
            rgba(74, 144, 217, 0.01) 31px
        ),
        linear-gradient(180deg, #12121f 0%, var(--deep) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1100px;
    margin: 0 auto;
    align-items: center;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: 1.5rem;
}

.about-text p {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 1rem;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-frame {
    width: 280px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(232, 184, 75, 0.15);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.visual-frame:hover {
    transform: translateY(-8px) rotate(1deg);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.about-svg {
    width: 100%;
    height: auto;
    display: block;
}

/* ---- Footer ---- */
.site-footer {
    position: relative;
    z-index: 2;
    padding: 4rem 3rem;
    background: #0e0e1a;
    border-top: 1px solid rgba(232, 184, 75, 0.08);
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-roman {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.3rem;
    color: var(--gold);
}

.footer-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--cream);
}

.footer-tagline {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.footer-divider {
    width: 60px;
    height: 1px;
    background: var(--gold);
    opacity: 0.3;
    margin: 0 auto 1.5rem;
}

.footer-copy {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.8rem;
    color: rgba(108, 117, 125, 0.6);
}

/* ---- Scroll Reveal ---- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-item-large {
        grid-row: span 1;
    }

    .chronicle-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
    }
}

@media (max-width: 768px) {
    .main-nav {
        padding: 1rem 1.5rem;
    }

    .nav-links {
        display: none;
    }

    .hero-section {
        padding: 5rem 1.5rem 3rem;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .moments-section,
    .chronicle-section,
    .archive-section,
    .about-section {
        padding: 4rem 1.5rem;
    }

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

    .grid-item-wide {
        grid-column: span 1;
    }

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

    .about-text .section-title {
        text-align: center;
    }

    .archive-timeline {
        padding-left: 40px;
    }

    .entry-marker {
        left: -30px;
    }

    .timeline-line {
        left: 10px;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 260px;
        text-align: center;
    }
}