/* ============================================
   HHUDDL.com - Wabi-Sabi Warmth
   ============================================ */

/* --- Custom Properties --- */
:root {
    --color-kiln-ash: #f5f0e8;
    --color-soot-beam: #2c2416;
    --color-ember-glow: #c4713b;
    --color-fired-clay: #a0522d;
    --color-huddle-green: #8a9a7b;
    --color-gathered-wool: #ece3d4;
    --color-hearth-gold: #d4a84b;

    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Nunito', 'Segoe UI', sans-serif;
    --font-accent: 'Caveat', cursive;

    --spring-ease: cubic-bezier(0.34, 1.56, 0.64, 1);
    --spring-duration: 500ms;
    --radius-soft: 28px;
    --radius-softer: 40px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--color-soot-beam);
    background-color: var(--color-kiln-ash);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-ember-glow);
    text-decoration: none;
    transition: color var(--spring-duration) var(--spring-ease);
}

a:hover {
    color: var(--color-fired-clay);
}

em {
    font-style: italic;
    color: var(--color-ember-glow);
}

/* --- Grain Overlay --- */
.grain-overlay {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.04;
    mix-blend-mode: multiply;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 256px 256px;
    animation: grain-drift 120s linear infinite;
}

@keyframes grain-drift {
    0% { transform: translate(0, 0); }
    25% { transform: translate(-5%, -3%); }
    50% { transform: translate(-2%, -6%); }
    75% { transform: translate(-4%, -1%); }
    100% { transform: translate(0, 0); }
}

/* --- Dust Trail Canvas --- */
#dust-trail {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9998;
    pointer-events: none;
}

/* --- Radial Vignette (breathing effect) --- */
.radial-vignette {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    background: radial-gradient(ellipse at center, transparent 30%, var(--color-kiln-ash) 100%);
    opacity: 0;
    transition: opacity 1.2s ease;
}

.radial-vignette.active {
    opacity: 0.6;
}

/* --- Background Decorations --- */
.bg-decorations {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.deco-circle {
    position: absolute;
    opacity: 0.09;
}

.deco-circle-1 {
    width: 320px;
    height: 320px;
    top: 8%;
    right: -40px;
    color: var(--color-ember-glow);
    transform: rotate(-15deg);
}

.deco-circle-2 {
    width: 200px;
    height: 200px;
    top: 35%;
    left: 5%;
    color: var(--color-huddle-green);
}

.deco-circle-3 {
    width: 260px;
    height: 260px;
    top: 55%;
    right: 8%;
    color: var(--color-ember-glow);
    transform: rotate(30deg);
}

.deco-circle-4 {
    width: 180px;
    height: 180px;
    top: 75%;
    left: 12%;
    color: var(--color-huddle-green);
    transform: rotate(-45deg);
}

.deco-circle-5 {
    width: 240px;
    height: 240px;
    top: 92%;
    right: 20%;
    color: var(--color-ember-glow);
    opacity: 0.06;
}

/* Dot clusters */
.dot-cluster {
    position: absolute;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    width: 40px;
    justify-content: center;
}

.dot-cluster span {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background-color: var(--color-ember-glow);
    opacity: 0.15;
}

.dot-cluster-1 {
    top: 20%;
    left: 15%;
    transform: rotate(12deg);
}

.dot-cluster-2 {
    top: 60%;
    right: 10%;
    transform: rotate(-8deg);
}

.dot-cluster-3 {
    top: 85%;
    left: 40%;
    transform: rotate(20deg);
}

/* --- Navigation Circle --- */
.nav-circle {
    position: fixed;
    top: 28px;
    left: 28px;
    z-index: 10000;
    width: 44px;
    height: 44px;
    cursor: pointer;
}

.nav-pulse {
    position: absolute;
    top: 0;
    left: 0;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--color-ember-glow);
    animation: pulse-beat 4s ease-in-out infinite;
    transition: transform var(--spring-duration) var(--spring-ease),
                opacity var(--spring-duration) var(--spring-ease);
}

@keyframes pulse-beat {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

.nav-menu {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 300ms var(--spring-ease);
}

.nav-circle.open .nav-pulse {
    transform: scale(0.8);
    opacity: 0.3;
}

.nav-circle.open .nav-menu {
    opacity: 1;
    pointer-events: auto;
}

.nav-link {
    position: absolute;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: var(--color-gathered-wool);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-soot-beam);
    transition: transform var(--spring-duration) var(--spring-ease),
                background-color 300ms ease,
                box-shadow 300ms ease;
    transform: translate(-50%, -50%) scale(0);
    box-shadow: 0 2px 12px rgba(44, 36, 22, 0.12);
}

.nav-link svg {
    width: 16px;
    height: 16px;
}

.nav-link::after {
    content: attr(data-label);
    position: absolute;
    left: calc(100% + 8px);
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-accent);
    font-size: 0.9rem;
    color: var(--color-soot-beam);
    white-space: nowrap;
    opacity: 0;
    transition: opacity 200ms ease;
    pointer-events: none;
}

.nav-link:hover::after {
    opacity: 1;
}

.nav-link:hover {
    background-color: var(--color-ember-glow);
    color: var(--color-kiln-ash);
    box-shadow: 0 4px 20px rgba(196, 113, 59, 0.3);
}

.nav-circle.open .nav-link {
    transform: translate(-50%, -50%) scale(1);
}

.nav-circle.open .nav-link:nth-child(1) {
    top: -20px;
    left: 40px;
    transition-delay: 0ms;
}
.nav-circle.open .nav-link:nth-child(2) {
    top: 20px;
    left: 65px;
    transition-delay: 50ms;
}
.nav-circle.open .nav-link:nth-child(3) {
    top: 55px;
    left: 50px;
    transition-delay: 100ms;
}
.nav-circle.open .nav-link:nth-child(4) {
    top: 70px;
    left: 15px;
    transition-delay: 150ms;
}
.nav-circle.open .nav-link:nth-child(5) {
    top: 55px;
    left: -25px;
    transition-delay: 200ms;
}

/* --- Sections Common --- */
.section {
    position: relative;
    min-height: 85vh;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 40px;
}

.section + .section {
    margin-top: -5vh;
}

.section-content {
    max-width: 1100px;
    width: 100%;
    position: relative;
}

/* --- Section: Opening --- */
.section-opening {
    min-height: 100vh;
    background: radial-gradient(ellipse at center, var(--color-gathered-wool) 0%, var(--color-kiln-ash) 70%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.opening-word {
    text-align: center;
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 1.5s ease, transform 1.5s var(--spring-ease);
}

.opening-word.visible {
    opacity: 1;
    transform: scale(1);
}

.opening-text {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: clamp(3rem, 12vw, 10rem);
    letter-spacing: -0.03em;
    color: var(--color-soot-beam);
    line-height: 1;
}

.opening-annotation {
    display: block;
    font-family: var(--font-accent);
    font-size: clamp(1rem, 2.5vw, 1.6rem);
    color: var(--color-ember-glow);
    margin-top: 16px;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 1s ease 0.8s, transform 1s var(--spring-ease) 0.8s;
}

.opening-word.visible .opening-annotation {
    opacity: 0.7;
    transform: translateY(0);
}

/* --- Wavy Dividers --- */
.wavy-divider {
    position: relative;
    z-index: 3;
    padding: 0 60px;
    color: var(--color-ember-glow);
    opacity: 0.25;
}

.wavy-divider svg {
    width: 100%;
    height: 12px;
    display: block;
}

/* --- Section: Gather --- */
.section-gather {
    background: radial-gradient(ellipse at 30% 50%, var(--color-gathered-wool) 0%, transparent 60%);
}

.section-gather .section-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.content-panel {
    position: relative;
}

.section-heading {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: clamp(2rem, 5vw, 4.5rem);
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--color-soot-beam);
}

.body-text {
    font-family: var(--font-body);
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--color-soot-beam);
    margin-bottom: 16px;
    max-width: 520px;
}

.annotation {
    font-family: var(--font-accent);
    font-size: 1.1rem;
    color: var(--color-huddle-green);
    display: inline-block;
    transform: rotate(-2deg);
    margin-top: 8px;
}

/* Texture card */
.texture-card {
    border-radius: var(--radius-softer);
    background-color: var(--color-gathered-wool);
    padding: 6px;
    box-shadow: 0 8px 40px rgba(44, 36, 22, 0.08);
    transform: rotate(1.5deg);
    transition: transform var(--spring-duration) var(--spring-ease);
}

.texture-card:hover {
    transform: rotate(0deg) scale(1.02);
}

.texture-card-inner {
    border-radius: calc(var(--radius-softer) - 4px);
    padding: 40px;
    text-align: center;
}

.circle-frame {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    margin: 0 auto 24px;
    overflow: hidden;
    position: relative;
}

.circle-texture {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle at 40% 40%, var(--color-hearth-gold) 0%, var(--color-ember-glow) 40%, var(--color-fired-clay) 70%, var(--color-soot-beam) 100%);
    filter: contrast(1.1) saturate(0.85);
}

.card-quote {
    font-family: var(--font-heading);
    font-style: italic;
    font-size: 1.2rem;
    color: var(--color-soot-beam);
    line-height: 1.5;
    opacity: 0.8;
}

/* --- Section: Stories --- */
.section-stories {
    background: radial-gradient(ellipse at 70% 40%, rgba(138, 154, 123, 0.1) 0%, transparent 60%);
}

.stories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.story-block {
    border-radius: var(--radius-soft);
    background-color: var(--color-gathered-wool);
    overflow: hidden;
    transition: transform var(--spring-duration) var(--spring-ease),
                box-shadow var(--spring-duration) ease;
    box-shadow: 0 4px 20px rgba(44, 36, 22, 0.06);
}

.story-block:nth-child(2) {
    transform: translateY(30px);
}

.story-block:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(44, 36, 22, 0.12);
}

.story-block:nth-child(2):hover {
    transform: translateY(26px);
}

.story-inner {
    padding: 36px 28px;
}

.story-number {
    font-family: var(--font-accent);
    font-size: 2rem;
    color: var(--color-hearth-gold);
    display: block;
    margin-bottom: 12px;
    line-height: 1;
}

.story-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.6rem;
    color: var(--color-soot-beam);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.stories-annotation {
    text-align: center;
    margin-top: 32px;
}

/* --- Section: Warmth --- */
.section-warmth {
    background: radial-gradient(ellipse at center, rgba(212, 168, 75, 0.06) 0%, transparent 60%);
}

.warmth-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.warmth-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.warmth-circles {
    position: relative;
    width: 280px;
    height: 280px;
}

.warmth-ring {
    position: absolute;
    border-radius: 50%;
    border: 1.5px solid var(--color-ember-glow);
    opacity: 0.2;
}

.warmth-ring-1 {
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    animation: ring-breathe 6s ease-in-out infinite;
}

.warmth-ring-2 {
    top: 15%;
    left: 15%;
    width: 70%;
    height: 70%;
    border-color: var(--color-hearth-gold);
    animation: ring-breathe 6s ease-in-out 1s infinite;
}

.warmth-ring-3 {
    top: 30%;
    left: 30%;
    width: 40%;
    height: 40%;
    border-color: var(--color-huddle-green);
    animation: ring-breathe 6s ease-in-out 2s infinite;
}

.warmth-glow {
    position: absolute;
    top: 38%;
    left: 38%;
    width: 24%;
    height: 24%;
    border-radius: 50%;
    background: radial-gradient(circle, var(--color-hearth-gold) 0%, var(--color-ember-glow) 60%, transparent 100%);
    opacity: 0.5;
    animation: glow-pulse 4s ease-in-out infinite;
}

@keyframes ring-breathe {
    0%, 100% { transform: scale(1); opacity: 0.2; }
    50% { transform: scale(1.06); opacity: 0.35; }
}

@keyframes glow-pulse {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.08); }
}

.warmth-annotation {
    text-align: center;
}

/* --- Section: Closer --- */
.section-closer {
    min-height: 100vh;
    background: radial-gradient(ellipse at center, var(--color-kiln-ash) 0%, var(--color-gathered-wool) 80%);
    text-align: center;
}

.section-closer .section-content {
    display: flex;
    align-items: center;
    justify-content: center;
}

.closer-content {
    max-width: 600px;
}

.closer-heading {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: clamp(2.5rem, 8vw, 6rem);
    letter-spacing: -0.03em;
    line-height: 1.05;
    color: var(--color-soot-beam);
    margin-bottom: 28px;
}

.closer-body {
    max-width: 440px;
    margin: 0 auto 40px;
    text-align: center;
}

.closer-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.closer-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-ember-glow);
    transition: color var(--spring-duration) var(--spring-ease),
                gap var(--spring-duration) var(--spring-ease);
}

.closer-link:hover {
    color: var(--color-fired-clay);
    gap: 18px;
}

.closer-link-text {
    position: relative;
}

.closer-link-circle {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--color-ember-glow);
    transition: background-color 300ms ease, transform var(--spring-duration) var(--spring-ease);
}

.closer-link:hover .closer-link-circle {
    background-color: var(--color-fired-clay);
    transform: scale(1.3);
}

/* --- Reveal Animation --- */
.reveal-element {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 600ms ease, transform var(--spring-duration) var(--spring-ease);
}

.reveal-element.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.reveal-element:nth-child(2) {
    transition-delay: 200ms;
}

.reveal-element:nth-child(3) {
    transition-delay: 400ms;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .section {
        padding: 60px 24px;
    }

    .section-gather .section-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .stories-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .story-block:nth-child(2) {
        transform: translateY(0);
    }

    .story-block:nth-child(2):hover {
        transform: translateY(-4px);
    }

    .warmth-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .warmth-visual {
        order: -1;
    }

    .warmth-circles {
        width: 200px;
        height: 200px;
    }

    .nav-circle {
        top: 20px;
        left: 20px;
    }

    .texture-card {
        transform: rotate(0deg);
    }

    .wavy-divider {
        padding: 0 24px;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 48px 18px;
        min-height: 70vh;
    }

    .section-opening,
    .section-closer {
        min-height: 100vh;
    }

    .story-inner {
        padding: 28px 20px;
    }

    .circle-frame {
        width: 140px;
        height: 140px;
    }
}