/* ============================================
   SSETTL.com - Neubrutalism + Bubble Whimsy
   ============================================ */

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

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

body {
    background: #e8e0d0;
    color: #2d2d2d;
    font-family: 'DM Sans', sans-serif;
    font-size: 17px;
    line-height: 1.65;
    font-weight: 400;
    overflow-x: hidden;
    position: relative;
}

/* ---------- Scroll Progress Bar ---------- */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, #c9a7eb, #a7d8de, #f0c9d4, #d4e8a7, #c9a7eb);
    background-size: 300% 100%;
    animation: progressGradientCycle 4s linear infinite;
    z-index: 9999;
    transition: width 0.1s linear;
}

@keyframes progressGradientCycle {
    0% { background-position: 0% 50%; }
    100% { background-position: 300% 50%; }
}

/* ---------- Plane 1: Background Field ---------- */
#background-field {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    will-change: transform;
    background-color: #e8e0d0;
    /* Noise grain simulation via repeating SVG-like gradient */
    background-image:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 79px,
            #d4cfc4 79px,
            #d4cfc4 80px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 79px,
            #d4cfc4 79px,
            #d4cfc4 80px
        );
    background-blend-mode: overlay;
}

#background-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 300%;
}

/* Wavy decorative lines */
.wavy-line {
    position: absolute;
    width: 100%;
    height: 40px;
    left: 0;
}

.wavy-line-1 { top: 95vh; }
.wavy-line-2 { top: 215vh; }
.wavy-line-3 { top: 335vh; }

.wavy-line path {
    stroke-dasharray: 12, 8;
    animation: wavyDash 6s linear infinite;
}

@keyframes wavyDash {
    to { stroke-dashoffset: -60; }
}

/* ---------- Plane 2: Content Cards Layer ---------- */
#content-layer {
    position: relative;
    z-index: 10;
    width: 100%;
    padding: 0 5vw;
}

/* ---------- Card Clusters (Sections) ---------- */
.card-cluster {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: center;
    gap: 40px;
    padding: 60px 0;
}

/* Section 1: Hero */
.section-hero {
    min-height: 100vh;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-top: 15vh;
    padding-bottom: 15vh;
}

/* Section 2: Cascade */
.section-cascade {
    min-height: 120vh;
    justify-content: space-around;
    align-items: flex-start;
    padding-top: 80px;
    padding-bottom: 120px;
}

/* Section 3: Explosion */
.section-explosion {
    min-height: 120vh;
    justify-content: center;
    align-items: flex-start;
    gap: 30px;
    padding-top: 60px;
    padding-bottom: 100px;
}

/* Section 4: Statement */
.section-statement {
    min-height: 80vh;
    justify-content: center;
    align-items: center;
    padding-top: 100px;
    padding-bottom: 100px;
}

/* Section 5: Closing */
.section-closing {
    min-height: 80vh;
    justify-content: center;
    align-items: flex-start;
    gap: 40px;
    padding-top: 80px;
    padding-bottom: 200px;
}

/* ---------- Cards: Neubrutalist Style ---------- */
.card {
    position: relative;
    border: 4px solid #000000;
    box-shadow: var(--shadow-x, 8px) var(--shadow-y, 8px) 0 #1a1a1a;
    transform: rotate(var(--rotation, 0deg));
    padding: 32px;
    transition: box-shadow 0.25s ease, transform 0.25s ease;
    border-radius: 0;
    max-width: 520px;
    min-width: 280px;
    opacity: 0;
    will-change: transform, box-shadow;
}

/* Card entrance animation applied by JS */
.card.visible {
    animation: cardEnter 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes cardEnter {
    from {
        opacity: 0;
        transform: rotate(calc(var(--rotation, 0deg) + 8deg)) translateY(30px);
    }
    to {
        opacity: 1;
        transform: rotate(var(--rotation, 0deg)) translateY(0);
    }
}

/* Card hover: neubrutalist press effect */
.card:hover {
    box-shadow: 2px 2px 0 #1a1a1a;
    transform: rotate(var(--rotation, 0deg)) translate(4px, 4px);
}

/* Card background colors */
.card[data-bg="rose"]       { background-color: #e8c4c4; }
.card[data-bg="sage"]       { background-color: #c4d4c4; }
.card[data-bg="lavender"]   { background-color: #d0c4e0; }
.card[data-bg="buttermilk"] { background-color: #e8e0c4; }
.card[data-bg="powder"]     { background-color: #c4d0e0; }

/* ---------- Card Content Styles ---------- */
.card-label {
    display: inline-block;
    font-family: 'DM Mono', monospace;
    font-size: 13px;
    font-weight: 400;
    color: #6b6b6b;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: #f5f0e6;
    padding: 4px 10px;
    margin-bottom: 16px;
    position: relative;
    transition: text-decoration-color 0.2s ease;
}

.card-label:hover {
    text-decoration: underline;
    text-decoration-color: #c9a7eb;
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}

.card-heading {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    color: #1a1a1a;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 16px;
}

h1.card-heading {
    font-size: 72px;
}

h2.card-heading {
    font-size: 48px;
}

h3.card-heading {
    font-size: 40px;
}

.card-body {
    font-family: 'DM Sans', sans-serif;
    font-size: 17px;
    font-weight: 400;
    color: #2d2d2d;
    line-height: 1.65;
    margin-bottom: 12px;
}

.card-body:last-child {
    margin-bottom: 0;
}

/* ---------- Tagline below hero ---------- */
.tagline {
    font-family: 'DM Mono', monospace;
    font-size: 13px;
    font-weight: 400;
    color: #6b6b6b;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 24px;
    text-align: center;
}

/* ---------- Specific Card Sizes & Positions ---------- */
.card-hero {
    width: 480px;
    max-width: 90vw;
    text-align: center;
}

.card-cascade-1 {
    width: 380px;
    align-self: flex-start;
}

.card-cascade-2 {
    width: 420px;
    align-self: center;
    margin-top: 80px;
}

.card-cascade-3 {
    width: 360px;
    align-self: flex-end;
    margin-top: 60px;
}

.card-explode-1 {
    width: 340px;
}

.card-explode-2 {
    width: 380px;
    margin-top: 40px;
}

.card-explode-3 {
    width: 420px;
}

.card-explode-4 {
    width: 350px;
    margin-top: 60px;
}

.card-explode-5 {
    width: 400px;
}

.card-explode-6 {
    width: 320px;
    margin-top: 30px;
}

.card-statement {
    width: 560px;
    max-width: 90vw;
    padding: 48px;
}

.card-close-1 {
    width: 420px;
}

.card-close-2 {
    width: 380px;
    margin-top: 50px;
}

.card-close-3 {
    width: 340px;
    margin-top: 20px;
}

/* ---------- Duotone Photo Frames ---------- */
.card-photo-frame {
    position: relative;
    width: 100%;
    height: 180px;
    margin-bottom: 20px;
    border: 4px solid #000000;
    box-shadow: 6px 6px 0 #1a1a1a;
    overflow: hidden;
}

.card-photo-frame[data-duotone="rose"]    { background-color: #e8c4c4; }
.card-photo-frame[data-duotone="sage"]    { background-color: #c4d4c4; }
.card-photo-frame[data-duotone="powder"]  { background-color: #c4d0e0; }

.duotone-photo {
    width: 100%;
    height: 100%;
    filter: grayscale(100%) contrast(1.1);
    mix-blend-mode: multiply;
    background-size: cover;
    background-position: center;
}

/* CSS-generated abstract "photo" patterns using gradients */
.photo-1 {
    background:
        radial-gradient(ellipse at 30% 40%, rgba(40,40,40,0.7) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 60%, rgba(60,60,60,0.5) 0%, transparent 50%),
        linear-gradient(135deg, #888 0%, #ccc 40%, #999 70%, #bbb 100%);
}

.photo-2 {
    background:
        radial-gradient(circle at 50% 30%, rgba(30,30,30,0.6) 0%, transparent 55%),
        radial-gradient(circle at 20% 70%, rgba(50,50,50,0.4) 0%, transparent 45%),
        linear-gradient(45deg, #aaa 0%, #ddd 30%, #999 60%, #bbb 100%);
}

.photo-3 {
    background:
        radial-gradient(ellipse at 60% 50%, rgba(35,35,35,0.65) 0%, transparent 50%),
        radial-gradient(circle at 30% 30%, rgba(70,70,70,0.35) 0%, transparent 40%),
        linear-gradient(180deg, #999 0%, #ccc 50%, #888 100%);
}

/* ---------- Tags ---------- */
.tag-cluster {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    display: inline-block;
    font-family: 'DM Mono', monospace;
    font-size: 13px;
    font-weight: 400;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 6px 14px;
    border: 3px solid #000000;
    border-radius: 0;
    background-color: var(--tag-bg);
}

/* ---------- Static Decorative Bubbles ---------- */
.static-bubble {
    position: absolute;
    width: var(--size, 20px);
    height: var(--size, 20px);
    border-radius: 50%;
    background: radial-gradient(
        circle at 35% 30%,
        rgba(255, 255, 255, 0.7) 0%,
        var(--color, #c9a7eb) 40%,
        rgba(255, 255, 255, 0.1) 100%
    );
    border: 1px solid rgba(255, 255, 255, 0.4);
    pointer-events: none;
    z-index: 5;
}

/* Specular highlight on static bubbles */
.static-bubble::after {
    content: '';
    position: absolute;
    width: 30%;
    height: 30%;
    top: 15%;
    left: 20%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.9) 0%, transparent 100%);
}

/* ---------- Plane 3: Bubble Layer ---------- */
#bubble-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100;
    pointer-events: none;
    overflow: hidden;
    will-change: transform;
}

.bubble {
    position: absolute;
    width: var(--size, 80px);
    height: var(--size, 80px);
    border-radius: 50%;
    background: radial-gradient(
        circle at 35% 30%,
        rgba(255, 255, 255, 0.6) 0%,
        var(--color1, #c9a7eb) 25%,
        var(--color2, #a7d8de) 60%,
        rgba(255, 255, 255, 0.15) 100%
    );
    border: 1px solid rgba(255, 255, 255, 0.4);
    opacity: 0;
    pointer-events: none;
    will-change: transform, opacity;
    animation: bubbleFloat var(--duration, 40s) var(--delay, 0s) ease-in-out infinite;
}

/* Specular highlight on floating bubbles */
.bubble::before {
    content: '';
    position: absolute;
    width: 25%;
    height: 25%;
    top: 12%;
    left: 22%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.85) 0%, transparent 100%);
}

/* Secondary highlight for iridescence */
.bubble::after {
    content: '';
    position: absolute;
    width: 40%;
    height: 20%;
    bottom: 20%;
    right: 15%;
    border-radius: 50%;
    background: radial-gradient(ellipse, rgba(255,255,255,0.2) 0%, transparent 100%);
}

@keyframes bubbleFloat {
    0% {
        transform: translate(var(--x-start, 10vw), var(--y-start, 110vh)) scale(0);
        opacity: 0;
    }
    5% {
        opacity: 0.6;
        transform: translate(var(--x-start, 10vw), calc(var(--y-start, 110vh) - 5vh)) scale(1);
    }
    25% {
        transform: translate(calc((var(--x-start, 10vw) + var(--x-end, 25vw)) / 2 + 5vw), calc((var(--y-start, 110vh) + var(--y-end, -20vh)) / 2 + 10vh)) scale(1.02);
    }
    50% {
        transform: translate(var(--x-end, 25vw), calc((var(--y-start, 110vh) + var(--y-end, -20vh)) / 2)) scale(0.98);
        opacity: 0.5;
    }
    75% {
        transform: translate(calc((var(--x-start, 10vw) + var(--x-end, 25vw)) / 2 - 3vw), calc(var(--y-end, -20vh) + 15vh)) scale(1.01);
    }
    95% {
        opacity: 0.4;
        transform: translate(var(--x-end, 25vw), var(--y-end, -20vh)) scale(1);
    }
    100% {
        transform: translate(var(--x-end, 25vw), var(--y-end, -20vh)) scale(0);
        opacity: 0;
    }
}

/* ---------- Bubble Pop Micro-interaction ---------- */
.bubble-pop {
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: radial-gradient(
        circle at 35% 30%,
        rgba(255, 255, 255, 0.7) 0%,
        #c9a7eb 40%,
        rgba(255, 255, 255, 0.1) 100%
    );
    border: 1px solid rgba(255, 255, 255, 0.5);
    pointer-events: none;
    z-index: 60;
    animation: bubblePop 600ms ease-out forwards;
}

@keyframes bubblePop {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    30% {
        transform: scale(1) rotate(0deg);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.1) rotate(5deg);
        opacity: 0.9;
    }
    65% {
        transform: scale(0.95) rotate(-3deg);
        opacity: 0.85;
    }
    80% {
        transform: scale(1.3) rotate(0deg);
        opacity: 0.5;
    }
    100% {
        transform: scale(1.5) rotate(0deg);
        opacity: 0;
    }
}

/* ---------- Noise Grain Overlay ---------- */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* ---------- Mobile Responsive ---------- */
@media (max-width: 768px) {
    .card {
        transform: rotate(0deg) !important;
        max-width: 100%;
        min-width: unset;
        width: 100% !important;
    }

    .card.visible {
        animation-name: cardEnterMobile;
    }

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

    .card:hover {
        transform: translate(4px, 4px) !important;
    }

    h1.card-heading {
        font-size: 48px;
    }

    h2.card-heading {
        font-size: 36px;
    }

    h3.card-heading {
        font-size: 28px;
    }

    .card-cluster {
        flex-direction: column;
        align-items: stretch;
        gap: 24px;
        padding: 40px 0;
    }

    .card-cascade-1,
    .card-cascade-2,
    .card-cascade-3 {
        margin-top: 0;
        align-self: stretch;
    }

    .card-explode-1,
    .card-explode-2,
    .card-explode-3,
    .card-explode-4,
    .card-explode-5,
    .card-explode-6 {
        margin-top: 0;
    }

    .card-close-2,
    .card-close-3 {
        margin-top: 0;
    }

    .section-hero {
        padding-top: 10vh;
    }

    .card-statement {
        padding: 28px;
    }

    .bubble {
        --size: calc(var(--size) * 0.6) !important;
    }

    .static-bubble {
        display: none;
    }

    #content-layer {
        padding: 0 16px;
    }
}

@media (max-width: 480px) {
    h1.card-heading {
        font-size: 36px;
    }

    h2.card-heading {
        font-size: 28px;
    }

    h3.card-heading {
        font-size: 24px;
    }

    .card {
        padding: 20px;
    }

    .card-body {
        font-size: 15px;
    }
}