/* ============================================
   NAMU.BIZ — Retro Diagonal Aquarium
   ============================================ */

/* --- Palette Reference ---
   #2A1A10 Deep Warm (headings)
   #4A3A28 Warm Brown (body)
   #7A6A50 Warm Grey (labels)
   #F8F4EC Cream Canvas (primary bg)
   #F0D8C0 Watercolor Peach (wash)
   #C08040 Fish Orange (accents)
   #F0ECE0 Diagonal Section (alt bg)
   #508060 Business Green (indicators)
--- */

/* --- Reset & Foundation --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 400;
    color: #4A3A28;
    background: #F8F4EC;
    overflow-x: hidden;
    line-height: 1.85;
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
}

/* --- Typography --- */
h1, h2, h3 {
    font-family: 'Albert Sans', sans-serif;
    color: #2A1A10;
    line-height: 1.15;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
}

/* --- Watercolor Washes --- */
.watercolor-wash {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.wash-opening {
    background:
        radial-gradient(ellipse 60% 50% at 25% 30%, rgba(240, 216, 192, 0.18) 0%, transparent 70%),
        radial-gradient(ellipse 45% 55% at 75% 65%, rgba(240, 216, 192, 0.12) 0%, transparent 65%),
        radial-gradient(ellipse 80% 40% at 50% 80%, rgba(192, 128, 64, 0.06) 0%, transparent 60%);
}

.wash-currents {
    background:
        radial-gradient(ellipse 55% 45% at 70% 25%, rgba(240, 216, 192, 0.15) 0%, transparent 70%),
        radial-gradient(ellipse 40% 60% at 20% 70%, rgba(192, 128, 64, 0.08) 0%, transparent 65%);
}

.wash-channels {
    background:
        radial-gradient(ellipse 50% 50% at 30% 40%, rgba(240, 216, 192, 0.14) 0%, transparent 65%),
        radial-gradient(ellipse 65% 35% at 80% 75%, rgba(192, 128, 64, 0.07) 0%, transparent 60%);
}

.wash-reef {
    background:
        radial-gradient(ellipse 70% 40% at 60% 30%, rgba(240, 216, 192, 0.16) 0%, transparent 70%),
        radial-gradient(ellipse 35% 55% at 15% 60%, rgba(80, 128, 96, 0.06) 0%, transparent 60%);
}

.wash-floor {
    background:
        radial-gradient(ellipse 60% 45% at 40% 50%, rgba(240, 216, 192, 0.12) 0%, transparent 65%),
        radial-gradient(ellipse 50% 50% at 85% 25%, rgba(192, 128, 64, 0.09) 0%, transparent 60%);
}

/* --- Fish Accents --- */
.fish-accent {
    position: absolute;
    z-index: 2;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.fish-accent.visible {
    opacity: 1;
}

.fish-opening-1 {
    width: 60px;
    top: 22%;
    right: 12%;
}

.fish-opening-2 {
    width: 44px;
    bottom: 28%;
    left: 8%;
}

.fish-transition-1 {
    width: 48px;
    top: 8%;
    left: 15%;
}

.fish-transition-2 {
    width: 52px;
    top: 6%;
    right: 18%;
}

.fish-reef {
    width: 58px;
    bottom: 18%;
    right: 10%;
}

.fish-floor-1 {
    width: 40px;
    top: 15%;
    right: 7%;
}

.fish-floor-2 {
    width: 34px;
    bottom: 25%;
    left: 5%;
}

.fish-closing {
    width: 64px;
    position: relative;
    margin-bottom: 2rem;
    opacity: 0.5;
}

/* --- Opening Section (First 100vh) --- */
.opening {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    background: #F8F4EC;
    overflow: hidden;
}

.opening-content {
    position: relative;
    z-index: 3;
    padding-left: 12vw;
    padding-right: 4vw;
}

.opening-brand {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease 0.3s, transform 1s ease 0.3s;
}

.opening-brand.revealed {
    opacity: 1;
    transform: translateY(0);
}

.brand-title {
    font-family: 'Albert Sans', sans-serif;
    font-weight: 700;
    font-size: clamp(3.5rem, 8vw, 7rem);
    letter-spacing: 0.04em;
    color: #2A1A10;
    line-height: 1;
}

.brand-dot {
    color: #C08040;
}

.brand-line {
    width: 120px;
    height: 2px;
    background: #C08040;
    margin: 1.5rem 0;
    opacity: 0;
    transform: scaleX(0);
    transform-origin: left;
    transition: opacity 0.6s ease 0.8s, transform 0.6s ease 0.8s;
}

.opening-brand.revealed .brand-line {
    opacity: 1;
    transform: scaleX(1);
}

.brand-tagline {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 500;
    font-size: 1rem;
    color: #7A6A50;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0;
    transition: opacity 0.8s ease 1.2s;
}

.opening-brand.revealed .brand-tagline {
    opacity: 1;
}

.diagonal-indicator {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 4;
    line-height: 0;
}

.diagonal-indicator svg {
    width: 100%;
    height: 60px;
    display: block;
}

/* --- Diagonal Sections --- */
.diagonal-section {
    position: relative;
    padding: 8rem 0 10rem;
    overflow: hidden;
}

.section-alt {
    background: #F0ECE0;
    clip-path: polygon(0 0, 100% 4%, 100% 100%, 0 96%);
    margin-top: -3rem;
    margin-bottom: -3rem;
}

.section-primary {
    background: #F8F4EC;
}

.section-inner {
    position: relative;
    z-index: 3;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 4vw;
}

.section-label {
    margin-bottom: 1rem;
}

.label-text {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 500;
    font-size: 0.8rem;
    color: #7A6A50;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.section-heading {
    margin-bottom: 3rem;
}

/* --- Diagonal Cuts --- */
.diagonal-cut {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 4;
    line-height: 0;
}

.diagonal-cut svg {
    width: 100%;
    height: 50px;
    display: block;
}

.cut-up {
    bottom: 0;
}

.cut-down {
    bottom: 0;
}

/* --- Enterprise Currents — Card Cluster --- */
.currents-layout {
    padding-top: 2rem;
}

.card-cluster {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2.5rem;
    align-items: start;
}

.card-offset-left {
    margin-top: 0;
}

.card-offset-center {
    margin-top: 3rem;
}

.card-offset-right {
    margin-top: 1rem;
}

/* --- Hover-Lift Cards --- */
.hover-card {
    background: #F8F4EC;
    border: 1px solid rgba(192, 128, 64, 0.15);
    padding: 2.2rem 2rem;
    position: relative;
    transition: transform 200ms ease, box-shadow 200ms ease;
}

.hover-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: #C08040;
    opacity: 0.4;
    transition: opacity 200ms ease;
}

.hover-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(40, 30, 20, 0.08);
}

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

.card-label {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 500;
    font-size: 0.75rem;
    color: #7A6A50;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.6rem;
}

.card-data {
    font-family: 'Albert Sans', sans-serif;
    font-weight: 700;
    font-size: clamp(2rem, 3vw, 2.8rem);
    color: #2A1A10;
    display: block;
    margin-bottom: 1rem;
    line-height: 1;
}

.card-note {
    font-size: 0.92rem;
    color: #4A3A28;
    line-height: 1.7;
}

/* --- Deep Channels --- */
.channels-layout {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 6rem;
    align-items: start;
}

.channels-description {
    font-size: 1.05rem;
    line-height: 1.9;
    color: #4A3A28;
    font-weight: 300;
}

.channels-data-block {
    padding-top: 1rem;
}

.data-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.1rem 0;
    border-bottom: 1px solid rgba(192, 128, 64, 0.12);
}

.data-row:last-child {
    border-bottom: none;
}

.data-key {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 500;
    font-size: 0.82rem;
    color: #7A6A50;
    letter-spacing: 0.08em;
    white-space: nowrap;
    min-width: 150px;
}

.data-line {
    flex: 1;
    height: 1px;
    background: rgba(192, 128, 64, 0.2);
}

.data-value {
    font-family: 'Albert Sans', sans-serif;
    font-weight: 400;
    font-size: 0.95rem;
    color: #2A1A10;
    white-space: nowrap;
}

/* --- Reef Index --- */
.reef-layout {
    max-width: 900px;
}

.reef-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}

.reef-item {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 1.5rem;
    padding: 2rem 0;
    border-bottom: 1px solid rgba(192, 128, 64, 0.1);
    align-items: start;
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.reef-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.reef-item:last-child {
    border-bottom: none;
}

.reef-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-top: 0.4rem;
}

.reef-indicator-active {
    background: #508060;
    box-shadow: 0 0 0 4px rgba(80, 128, 96, 0.15);
}

.reef-indicator-watching {
    background: #C08040;
    box-shadow: 0 0 0 4px rgba(192, 128, 64, 0.15);
}

.reef-content {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    gap: 0.3rem 2rem;
}

.reef-name {
    font-family: 'Albert Sans', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    color: #2A1A10;
    grid-column: 1;
    grid-row: 1;
}

.reef-status {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 500;
    font-size: 0.78rem;
    color: #7A6A50;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    grid-column: 2;
    grid-row: 1;
    align-self: center;
}

.reef-detail {
    font-size: 0.92rem;
    color: #4A3A28;
    line-height: 1.7;
    grid-column: 1 / -1;
    grid-row: 2;
    font-weight: 300;
}

/* --- Aquarium Floor --- */
.floor-layout {
    display: grid;
    grid-template-columns: 0.7fr 1fr;
    gap: 6rem;
    align-items: start;
}

.floor-left .section-heading {
    margin-bottom: 0;
}

.floor-statement {
    margin-bottom: 3rem;
}

.floor-text {
    margin-bottom: 1.5rem;
    font-weight: 300;
    line-height: 1.9;
}

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

.floor-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.metric-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.metric-number {
    font-family: 'Albert Sans', sans-serif;
    font-weight: 700;
    font-size: clamp(2.2rem, 3.5vw, 3rem);
    color: #2A1A10;
    line-height: 1;
}

.metric-unit {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 500;
    font-size: 0.72rem;
    color: #7A6A50;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

/* --- Closing Depth (Footer) --- */
.closing-depth {
    background: #2A1A10;
    padding: 5rem 0 4rem;
    position: relative;
}

.closing-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 4vw;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.closing-brand {
    font-family: 'Albert Sans', sans-serif;
    font-weight: 700;
    font-size: 1.8rem;
    color: #F8F4EC;
    letter-spacing: 0.04em;
    margin-bottom: 0.8rem;
}

.closing-note {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 500;
    font-size: 0.82rem;
    color: #7A6A50;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.closing-data {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.closing-item {
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 300;
    font-size: 0.88rem;
    color: #7A6A50;
}

.closing-divider {
    color: rgba(192, 128, 64, 0.3);
    font-size: 0.8rem;
}

/* --- Scroll Reveal Utility --- */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* --- Responsive --- */
@media (max-width: 900px) {
    .card-cluster {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .card-offset-left,
    .card-offset-center,
    .card-offset-right {
        margin-top: 0;
    }

    .channels-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .floor-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .floor-metrics {
        grid-template-columns: 1fr 1fr;
    }

    .opening-content {
        padding-left: 6vw;
    }

    .reef-content {
        grid-template-columns: 1fr;
    }

    .reef-status {
        grid-column: 1;
        grid-row: auto;
    }

    .data-key {
        min-width: auto;
    }

    .data-row {
        flex-wrap: wrap;
    }

    .data-line {
        display: none;
    }
}

@media (max-width: 600px) {
    .brand-title {
        font-size: clamp(2.5rem, 12vw, 4rem);
    }

    .diagonal-section {
        padding: 6rem 0 8rem;
    }

    .section-alt {
        clip-path: polygon(0 0, 100% 2%, 100% 100%, 0 98%);
    }

    .floor-metrics {
        grid-template-columns: 1fr;
    }

    .closing-data {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .closing-divider {
        display: none;
    }
}