/* ============================================================
   tsundere.trade — Skeuomorphic Oceanic Design
   Colors: #030D1C, #1E4D6B, #030812, #1A6B8A, #C8852A, #E8F4F8, #8BAAB8, #0D5C6B
   Fonts: Bebas Neue, DM Sans, Oswald
   ============================================================ */

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

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

body {
    background-color: #030D1C;
    color: #E8F4F8;
    font-family: 'DM Sans', sans-serif;
    font-weight: 300;
    overflow-x: hidden;
    cursor: default;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
#hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    background: #030D1C;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* --- Aurora Bands --- */
#aurora-container {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    animation: aurora-appear 1.8s ease-out 0.2s forwards;
}

@keyframes aurora-appear {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.aurora-band {
    position: absolute;
    width: 140%;
    left: -20%;
    border-radius: 50%;
    filter: blur(40px);
    animation: aurora-drift 12s ease-in-out infinite alternate;
}

.aurora-band-1 {
    top: -15%;
    height: 28vh;
    background: linear-gradient(135deg,
        rgba(0, 212, 232, 0.18) 0%,
        rgba(30, 77, 107, 0.22) 40%,
        rgba(0, 212, 232, 0.08) 70%,
        transparent 100%);
    animation-delay: 0s;
    animation-duration: 14s;
    transform-origin: 30% 50%;
}

.aurora-band-2 {
    top: -8%;
    height: 22vh;
    background: linear-gradient(160deg,
        rgba(13, 92, 107, 0.15) 0%,
        rgba(0, 212, 232, 0.12) 50%,
        transparent 100%);
    animation-delay: -4s;
    animation-duration: 10s;
    transform-origin: 70% 50%;
}

.aurora-band-3 {
    top: 0%;
    height: 18vh;
    background: linear-gradient(120deg,
        transparent 0%,
        rgba(26, 107, 138, 0.12) 30%,
        rgba(0, 212, 232, 0.16) 60%,
        transparent 100%);
    animation-delay: -7s;
    animation-duration: 16s;
    transform-origin: 50% 50%;
}

@keyframes aurora-drift {
    0%   { transform: translateX(0%) translateY(0%) scaleX(1); }
    33%  { transform: translateX(3%) translateY(1.5%) scaleX(1.04); }
    66%  { transform: translateX(-2%) translateY(-1%) scaleX(0.97); }
    100% { transform: translateX(4%) translateY(2%) scaleX(1.02); }
}

/* --- Watercolor Ink Washes --- */
#watercolor-container {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 2;
}

.ink-wash {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0;
    transform: scale(0);
}

.ink-wash-1 {
    width: 45vw;
    height: 45vw;
    top: -5%;
    left: -8%;
    background: radial-gradient(ellipse,
        rgba(0, 212, 232, 0.12) 0%,
        rgba(30, 77, 107, 0.08) 40%,
        transparent 70%);
    animation: ink-bloom 2.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s forwards;
}

.ink-wash-2 {
    width: 50vw;
    height: 50vw;
    top: 30%;
    right: -15%;
    background: radial-gradient(ellipse,
        rgba(13, 92, 107, 0.14) 0%,
        rgba(26, 107, 138, 0.07) 45%,
        transparent 70%);
    animation: ink-bloom 2.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.6s forwards;
}

.ink-wash-3 {
    width: 40vw;
    height: 40vw;
    bottom: 5%;
    left: 25%;
    background: radial-gradient(ellipse,
        rgba(30, 77, 107, 0.10) 0%,
        rgba(0, 212, 232, 0.06) 50%,
        transparent 70%);
    animation: ink-bloom 2.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.9s forwards;
}

@keyframes ink-bloom {
    from {
        opacity: 0;
        transform: scale(0);
        filter: blur(80px);
    }
    to {
        opacity: 1;
        transform: scale(1);
        filter: blur(60px);
    }
}

/* --- Hero Content --- */
#hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

#brand-name {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(60px, 9vw, 96px);
    letter-spacing: 0.08em;
    color: #E8F4F8;
    text-transform: uppercase;
    line-height: 1;
    display: flex;
    gap: 0;
}

.brand-letter {
    opacity: 0;
    transform: translateY(12px);
    display: inline-block;
    animation: letter-appear 0.6s ease-out forwards;
}

/* Stagger each letter — 14 letters, 40ms apart, starting at 1.8s */
.brand-letter:nth-child(1)  { animation-delay: 1.80s; }
.brand-letter:nth-child(2)  { animation-delay: 1.84s; }
.brand-letter:nth-child(3)  { animation-delay: 1.88s; }
.brand-letter:nth-child(4)  { animation-delay: 1.92s; }
.brand-letter:nth-child(5)  { animation-delay: 1.96s; }
.brand-letter:nth-child(6)  { animation-delay: 2.00s; }
.brand-letter:nth-child(7)  { animation-delay: 2.04s; }
.brand-letter:nth-child(8)  { animation-delay: 2.08s; }
.brand-letter:nth-child(9)  { animation-delay: 2.12s; }
.brand-letter:nth-child(10) { animation-delay: 2.16s; }
.brand-letter:nth-child(11) { animation-delay: 2.20s; }
.brand-letter:nth-child(12) { animation-delay: 2.24s; }
.brand-letter:nth-child(13) { animation-delay: 2.28s; }
.brand-letter:nth-child(14) { animation-delay: 2.32s; }

@keyframes letter-appear {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#hero-tagline {
    font-family: 'DM Sans', sans-serif;
    font-weight: 300;
    font-size: 16px;
    color: #8BAAB8;
    letter-spacing: 0.04em;
    opacity: 0;
    animation: fade-in 0.8s ease-out 2.5s forwards;
}

@keyframes fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* --- Scroll Indicator --- */
#scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    opacity: 0;
    animation: fade-in 1s ease-out 3.2s forwards;
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, #8BAAB8, transparent);
    margin: 0 auto;
    animation: scroll-pulse 2.2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50%       { opacity: 0.8; transform: scaleY(1.15); }
}

/* ============================================================
   INSTRUMENTS SECTION
   ============================================================ */
#instruments {
    position: relative;
    padding: 100px 5% 120px;
    background: linear-gradient(180deg, #030D1C 0%, #030812 100%);
    overflow: hidden;
}

#instruments::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 40% at 20% 60%, rgba(0, 212, 232, 0.04) 0%, transparent 70%),
        radial-gradient(ellipse 40% 60% at 80% 30%, rgba(26, 107, 138, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

#instruments-header {
    text-align: center;
    margin-bottom: 64px;
    position: relative;
    z-index: 2;
}

.section-label {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 48px;
    letter-spacing: 0.1em;
    color: #8BAAB8;
    display: block;
    position: relative;
}

.section-label::after {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, #00D4E8, transparent);
    margin: 12px auto 0;
}

#instrument-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

/* --- Individual Card --- */
.instrument-card {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    background: linear-gradient(145deg, #0A1628 0%, #061020 50%, #030812 100%);
    border: 1px solid rgba(0, 212, 232, 0.14);
    box-shadow:
        0 0 0 1px rgba(0, 212, 232, 0.06),
        0 4px 24px rgba(3, 8, 18, 0.8),
        inset 0 1px 0 rgba(232, 244, 248, 0.06),
        inset 0 -1px 0 rgba(0, 0, 0, 0.4);
    transition: box-shadow 300ms ease-out, transform 300ms ease-out;
    opacity: 0;
    transform: translateY(40px);
    /* JS will apply .card-visible class */
}

.instrument-card.card-visible {
    opacity: 1;
    transform: translateY(0);
    transition:
        opacity 700ms cubic-bezier(0.34, 1.56, 0.64, 1),
        transform 700ms cubic-bezier(0.34, 1.56, 0.64, 1),
        box-shadow 300ms ease-out;
}

.instrument-card:hover {
    box-shadow:
        0 0 0 1px rgba(0, 212, 232, 0.22),
        0 8px 40px rgba(0, 212, 232, 0.08),
        inset 0 1px 0 rgba(232, 244, 248, 0.08),
        inset 0 -1px 0 rgba(0, 0, 0, 0.4),
        0 0 20px rgba(0, 212, 232, 0.06);
    transform: translateY(-2px);
}

.instrument-card:active {
    animation: card-click-pulse 200ms ease-out;
}

@keyframes card-click-pulse {
    0%   { transform: scale(1); }
    40%  { transform: scale(0.97); }
    70%  { transform: scale(1.03); }
    100% { transform: scale(1); }
}

/* Scanline overlay */
.card-scanlines {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(255, 255, 255, 0.012) 2px,
        rgba(255, 255, 255, 0.012) 3px
    );
    pointer-events: none;
    z-index: 10;
    border-radius: 10px;
}

.card-inner {
    padding: 20px 20px 16px;
    position: relative;
    z-index: 2;
}

.card-top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(0, 212, 232, 0.1);
}

.instrument-label {
    font-family: 'DM Sans', sans-serif;
    font-weight: 500;
    font-size: 11px;
    letter-spacing: 0.14em;
    color: #8BAAB8;
    text-transform: uppercase;
}

/* --- Status Indicator (pulsing sonar-green dot) --- */
.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #00D4E8;
    box-shadow: 0 0 8px #00D4E8, 0 0 16px rgba(0, 212, 232, 0.4);
    animation: status-pulse 2.4s ease-in-out infinite;
}

@keyframes status-pulse {
    0%, 100% { box-shadow: 0 0 8px #00D4E8, 0 0 16px rgba(0, 212, 232, 0.4); }
    50%       { box-shadow: 0 0 14px #00D4E8, 0 0 28px rgba(0, 212, 232, 0.6); }
}

/* --- Gauge Display --- */
.gauge-display {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 140px;
}

.gauge-ring {
    width: 120px;
    height: 120px;
}

.gauge-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.gauge-track {
    fill: none;
    stroke: rgba(139, 170, 184, 0.12);
    stroke-width: 6;
}

.gauge-fill {
    fill: none;
    stroke: #00D4E8;
    stroke-width: 6;
    stroke-linecap: round;
    stroke-dasharray: 314;
    stroke-dashoffset: 314;
    filter: drop-shadow(0 0 4px rgba(0, 212, 232, 0.6));
    transition: stroke-dashoffset 1.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.gauge-value {
    font-family: 'Oswald', sans-serif;
    font-weight: 400;
    font-size: 22px;
    fill: #E8F4F8;
    transform: rotate(90deg);
    transform-origin: 60px 60px;
    transform-box: fill-box;
}

.gauge-unit {
    font-family: 'DM Sans', sans-serif;
    font-weight: 300;
    font-size: 9px;
    fill: #8BAAB8;
    letter-spacing: 0.12em;
    transform: rotate(90deg);
    transform-origin: 60px 72px;
    transform-box: fill-box;
}

/* --- Sonar Display --- */
.sonar-display {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 140px;
}

.sonar-svg {
    width: 140px;
    height: 140px;
}

.sonar-ring {
    fill: none;
    stroke: rgba(0, 212, 232, 0.15);
    stroke-width: 1;
}

.sonar-ring-1 { stroke: rgba(0, 212, 232, 0.25); }

.sonar-crosshair {
    stroke: rgba(0, 212, 232, 0.12);
    stroke-width: 0.5;
}

.sonar-sweep {
    stroke: rgba(0, 212, 232, 0.7);
    stroke-width: 2;
    transform-origin: 80px 80px;
    transform-box: fill-box;
    filter: drop-shadow(0 0 4px rgba(0, 212, 232, 0.5));
}

.sonar-blip {
    fill: #00D4E8;
    opacity: 0;
    filter: drop-shadow(0 0 4px #00D4E8);
}

.sonar-center {
    fill: #00D4E8;
    filter: drop-shadow(0 0 6px rgba(0, 212, 232, 0.8));
}

/* --- Depth Display --- */
.depth-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    height: 140px;
}

.depth-column {
    flex-shrink: 0;
}

.depth-bar-track {
    position: relative;
    width: 16px;
    height: 120px;
    background: rgba(139, 170, 184, 0.08);
    border: 1px solid rgba(0, 212, 232, 0.15);
    border-radius: 4px;
    overflow: hidden;
}

.depth-bar-fill {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 0%;
    background: linear-gradient(0deg, #00D4E8, rgba(0, 212, 232, 0.3));
    border-radius: 3px;
    transition: height 2s ease-in-out;
    box-shadow: 0 0 8px rgba(0, 212, 232, 0.4);
}

.depth-tick {
    position: absolute;
    left: 20px;
    transform: translateY(-50%);
    white-space: nowrap;
}

.depth-tick span {
    font-family: 'Oswald', sans-serif;
    font-size: 9px;
    color: rgba(139, 170, 184, 0.5);
    letter-spacing: 0.06em;
}

.depth-readout-large {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

#depth-value {
    font-family: 'Oswald', sans-serif;
    font-weight: 400;
    font-size: 36px;
    color: #E8F4F8;
    line-height: 1;
    letter-spacing: 0.06em;
}

.depth-unit-label {
    font-family: 'DM Sans', sans-serif;
    font-weight: 300;
    font-size: 9px;
    color: #8BAAB8;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

/* --- Card Bottom Bar --- */
.card-bottom-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    padding-top: 10px;
    border-top: 1px solid rgba(0, 212, 232, 0.08);
}

.numeric-readout {
    font-family: 'Oswald', sans-serif;
    font-weight: 400;
    font-size: 13px;
    color: #00D4E8;
    letter-spacing: 0.08em;
}

.card-status-text {
    font-family: 'DM Sans', sans-serif;
    font-weight: 500;
    font-size: 9px;
    letter-spacing: 0.16em;
    color: rgba(139, 170, 184, 0.6);
    text-transform: uppercase;
}

/* ============================================================
   BATHYMETRIC CHART SECTION
   ============================================================ */
#bathymetric {
    position: relative;
    width: 100%;
    height: 40vh;
    min-height: 240px;
    background: #030812;
    overflow: hidden;
}

#bathymetric-inner {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
}

#bathymetric-svg {
    width: 100%;
    height: 100%;
}

.contour-line {
    fill: none;
    stroke: #1A6B8A;
    stroke-width: 1.5;
    stroke-opacity: 0.6;
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
    transition: stroke-dashoffset 2s ease-in-out;
}

.contour-line.contour-drawn {
    stroke-dashoffset: 0;
}

.contour-1 { stroke-opacity: 0.4; stroke-width: 1.2; transition-delay: 0.0s; }
.contour-2 { stroke-opacity: 0.5; stroke-width: 1.3; transition-delay: 0.2s; }
.contour-3 { stroke-opacity: 0.6; stroke-width: 1.4; transition-delay: 0.4s; }
.contour-4 { stroke-opacity: 0.55; stroke-width: 1.3; transition-delay: 0.6s; }
.contour-5 { stroke-opacity: 0.45; stroke-width: 1.2; transition-delay: 0.8s; }

.depth-label {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 14px;
    fill: #8BAAB8;
    letter-spacing: 0.06em;
    opacity: 0.7;
}

.grid-line {
    stroke: rgba(26, 107, 138, 0.15);
    stroke-width: 1;
    stroke-dasharray: 4 4;
}

/* ============================================================
   WARM REVEAL SECTION
   ============================================================ */
#warm-reveal {
    position: relative;
    padding: 120px 5% 140px;
    background: linear-gradient(180deg, #030812 0%, #030D1C 50%, #040810 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

#warm-glow-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 60% at 50% 50%,
        rgba(200, 133, 42, 0.06) 0%,
        rgba(26, 107, 138, 0.04) 40%,
        transparent 70%);
    pointer-events: none;
}

/* Warm aurora bands */
#warm-aurora-container {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 1.2s ease-out;
}

#warm-aurora-container.warm-aurora-active {
    opacity: 1;
}

.warm-aurora {
    position: absolute;
    border-radius: 50%;
    filter: blur(50px);
}

.warm-aurora-1 {
    width: 60%;
    height: 50%;
    top: 10%;
    left: -10%;
    background: radial-gradient(ellipse,
        rgba(200, 133, 42, 0.10) 0%,
        rgba(180, 100, 180, 0.06) 50%,
        transparent 70%);
    animation: warm-drift 16s ease-in-out infinite alternate;
}

.warm-aurora-2 {
    width: 50%;
    height: 60%;
    bottom: 5%;
    right: -5%;
    background: radial-gradient(ellipse,
        rgba(140, 80, 200, 0.08) 0%,
        rgba(200, 133, 42, 0.06) 40%,
        transparent 70%);
    animation: warm-drift 20s ease-in-out infinite alternate-reverse;
}

@keyframes warm-drift {
    0%   { transform: translate(0, 0) scale(1); }
    50%  { transform: translate(3%, 2%) scale(1.05); }
    100% { transform: translate(-2%, -3%) scale(0.95); }
}

/* Warm content layout */
#warm-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 80px;
    max-width: 1100px;
    width: 100%;
}

/* --- Character Silhouette --- */
#character-silhouette {
    flex-shrink: 0;
    width: 180px;
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 1.2s ease-out, transform 1.2s ease-out;
}

#character-silhouette.silhouette-visible {
    opacity: 1;
    transform: scale(1);
}

#character-svg {
    width: 100%;
    height: auto;
    animation: silhouette-glow-pulse 4s ease-in-out infinite;
}

@keyframes silhouette-glow-pulse {
    0%, 100% { filter: drop-shadow(0 0 8px rgba(200, 133, 42, 0.2)); }
    50%       { filter: drop-shadow(0 0 20px rgba(200, 133, 42, 0.4)); }
}

/* --- Pull Quotes --- */
#warm-text-block {
    flex: 1;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.pull-quote {
    font-family: 'DM Sans', sans-serif;
    font-style: italic;
    font-weight: 400;
    font-size: 22px;
    line-height: 1.6;
    color: #E8F4F8;
    border-left: 2px solid rgba(200, 133, 42, 0.4);
    padding-left: 24px;
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.pull-quote.quote-visible {
    opacity: 1;
    transform: translateX(0);
}

#quote-1 { transition-delay: 0s; }
#quote-2 { transition-delay: 0.2s; }
#quote-3 { transition-delay: 0.4s; }

/* ============================================================
   FOOTER
   ============================================================ */
#site-footer {
    position: relative;
    padding: 48px 5% 40px;
    background: #030D1C;
    border-top: 1px solid rgba(0, 212, 232, 0.08);
    overflow: hidden;
}

#footer-aurora {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    pointer-events: none;
    opacity: 0.5;
}

.footer-aurora-band {
    position: absolute;
    bottom: -10%;
    left: -10%;
    width: 120%;
    height: 80%;
    background: radial-gradient(ellipse 80% 60% at 50% 100%,
        rgba(0, 212, 232, 0.04) 0%,
        rgba(30, 77, 107, 0.03) 50%,
        transparent 70%);
    filter: blur(30px);
}

#footer-content {
    position: relative;
    z-index: 2;
    max-width: 1100px;
    margin: 0 auto;
}

#footer-brand {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 20px;
}

#footer-logo {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 32px;
    letter-spacing: 0.06em;
    color: #E8F4F8;
}

#footer-depth-reading {
    font-family: 'Oswald', sans-serif;
    font-weight: 400;
    font-size: 13px;
    color: #8BAAB8;
    letter-spacing: 0.12em;
}

#footer-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, rgba(0, 212, 232, 0.3), rgba(0, 212, 232, 0.05) 60%, transparent);
    margin-bottom: 20px;
}

#footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-text {
    font-family: 'DM Sans', sans-serif;
    font-weight: 300;
    font-size: 13px;
    color: #8BAAB8;
    letter-spacing: 0.04em;
}

.footer-coords {
    font-family: 'Oswald', sans-serif;
    font-weight: 400;
    font-size: 11px;
    letter-spacing: 0.12em;
    color: rgba(139, 170, 184, 0.5);
}

/* ============================================================
   PARALLAX HELPERS (set by JS)
   ============================================================ */
.parallax-aurora {
    will-change: transform;
}

.parallax-wash {
    will-change: transform;
}

/* ============================================================
   EXTENDED PALETTE ACCENTS
   (Additional design palette colors: #0E2240, #1B4F8C, #4A2570, #6B3FA0)
   ============================================================ */

/* Deep navy tint on card edges */
.instrument-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 10px;
    pointer-events: none;
    background: linear-gradient(160deg,
        rgba(14, 34, 64, 0.04) 0%,       /* #0E2240 */
        rgba(27, 79, 140, 0.03) 50%,      /* #1B4F8C */
        transparent 100%);
    z-index: 1;
}

/* Aurora violet undertones for depth */
#aurora-container::after {
    content: '';
    position: absolute;
    bottom: 20%;
    left: 10%;
    width: 50%;
    height: 30%;
    background: radial-gradient(ellipse,
        rgba(74, 37, 112, 0.08) 0%,       /* #4A2570 */
        rgba(107, 63, 160, 0.05) 40%,     /* #6B3FA0 */
        transparent 70%);
    filter: blur(30px);
    pointer-events: none;
    border-radius: 50%;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
    #instrument-cards {
        grid-template-columns: 1fr;
        max-width: 420px;
    }

    #warm-content {
        flex-direction: column;
        gap: 48px;
    }

    #character-silhouette {
        width: 130px;
    }

    .pull-quote {
        font-size: 18px;
    }
}

@media (max-width: 600px) {
    #brand-name {
        font-size: clamp(40px, 12vw, 72px);
    }

    .section-label {
        font-size: 36px;
    }

    #footer-brand {
        flex-direction: column;
        gap: 8px;
    }

    #footer-bottom {
        flex-direction: column;
        gap: 6px;
        align-items: flex-start;
    }
}