/* ───────────────────────────────────────
   Kammattam — Style
   ─────────────────────────────────────── */

:root {
    /* Forge palette */
    --black:      #0A0A0A;
    --charcoal:   #141414;
    --ash:        #1E1E1E;
    --smoke:      #A09888;
    --gold:       #D4A843;
    --gold-dim:   #B8922F;
    --copper:     #B87333;
    --ember:      #8B2500;
    --molten:     #E8731A;

    /* Kerala palette */
    --leaf:       #2D5A27;
    --canopy:     #1A3D1A;
    --water:      #1A3C5E;
    --monsoon:    #2C4F6E;

    /* Type */
    --serif:      'Playfair Display', Georgia, serif;
    --sans:       'Inter', -apple-system, sans-serif;
    --malayalam:  'Noto Sans Malayalam', sans-serif;

    /* Spacing */
    --space-xl:   clamp(4rem, 10vw, 8rem);
    --space-lg:   clamp(2rem, 5vw, 4rem);
    --space-md:   clamp(1rem, 3vw, 2rem);
}

/* ── Reset & Base ── */

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

html {
    scroll-behavior: smooth;
    background: var(--black);
    color: var(--smoke);
    font-family: var(--sans);
    font-weight: 300;
    line-height: 1.7;
    font-size: clamp(15px, 1.1vw, 18px);
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
}

::selection {
    background: var(--gold-dim);
    color: var(--black);
}

/* ── Grain Overlay ── */

.grain-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.035;
    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-size: 256px 256px;
}

/* ── Ember Canvas ── */

#embers {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

/* ── Sections ── */

.act {
    position: relative;
    z-index: 2;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl) var(--space-lg);
}

.act__bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.act__content {
    max-width: 720px;
    width: 100%;
}

.act__label {
    display: inline-block;
    font-family: var(--sans);
    font-weight: 500;
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

h2 {
    font-family: var(--serif);
    font-weight: 400;
    font-size: clamp(1.8rem, 4vw, 3rem);
    color: #E8E0D4;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease 0.15s, transform 1s ease 0.15s;
}

.act__content p {
    margin-bottom: 1.2em;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease 0.3s, transform 0.8s ease 0.3s;
}

.act__content em {
    color: var(--gold);
    font-style: italic;
}

/* Visible state triggered by JS */
.act.is-visible .act__label,
.act.is-visible h2,
.act.is-visible p,
.act.is-visible .craft-grid,
.act.is-visible .coda-quote,
.act.is-visible .contact {
    opacity: 1;
    transform: translateY(0);
}

/* ── Act I: Opening ── */

.act--opening {
    min-height: 100vh;
    flex-direction: column;
    text-align: center;
    background: radial-gradient(ellipse at 50% 80%, #1A1208 0%, var(--black) 70%);
}

.act--opening .act__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.title-ml {
    font-family: var(--malayalam);
    font-weight: 700;
    font-size: clamp(3rem, 10vw, 7rem);
    color: var(--gold);
    letter-spacing: 0.02em;
    line-height: 1.1;
    text-shadow: 0 0 80px rgba(212, 168, 67, 0.3);
    animation: title-emerge 2s ease-out forwards;
}

@keyframes title-emerge {
    0%   { opacity: 0; transform: translateY(30px) scale(0.95); filter: blur(8px); }
    100% { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}

.title-reveal {
    margin-top: var(--space-md);
    animation: reveal-up 1.5s ease-out 1s forwards;
    opacity: 0;
}

@keyframes reveal-up {
    0%   { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

.title-en {
    font-family: var(--serif);
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    font-weight: 400;
    font-style: italic;
    color: var(--copper);
    letter-spacing: 0.15em;
    margin-bottom: 0.5em;
    opacity: 1 !important;
    transform: none !important;
}

.title-meaning {
    font-family: var(--sans);
    font-weight: 300;
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    color: var(--smoke);
    line-height: 1.8;
    opacity: 1 !important;
    transform: none !important;
}

/* Scroll hint */
.scroll-hint {
    margin-top: var(--space-lg);
    animation: reveal-up 1.5s ease-out 2s forwards;
    opacity: 0;
}

.scroll-hint__line {
    display: block;
    width: 1px;
    height: 48px;
    margin: 0 auto;
    background: linear-gradient(to bottom, var(--gold), transparent);
    animation: scroll-pulse 2s ease-in-out infinite 3s;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 0.4; transform: scaleY(1); }
    50%      { opacity: 1; transform: scaleY(1.3); }
}

/* ── Act II: The Forge ── */

.act--forge {
    background: linear-gradient(
        180deg,
        var(--black) 0%,
        #1A0F05 30%,
        #201008 60%,
        #0F0A04 100%
    );
}

.act--forge .act__bg {
    background: radial-gradient(ellipse at 30% 70%, rgba(184, 115, 51, 0.08) 0%, transparent 60%);
}

/* ── Act III: The Craft ── */

.act--craft {
    min-height: auto;
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
    background: linear-gradient(
        180deg,
        #0F0A04 0%,
        #120E08 50%,
        #0A0D06 100%
    );
}

.craft-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease 0.3s, transform 1s ease 0.3s;
}

@media (min-width: 640px) {
    .craft-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
    }
}

.craft-item {
    padding: var(--space-md);
    border-left: 1px solid rgba(212, 168, 67, 0.15);
    transition: border-color 0.4s ease;
}

.craft-item:hover {
    border-color: var(--gold);
}

.craft-item__title {
    display: block;
    font-family: var(--malayalam);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--gold);
    margin-bottom: 0.15em;
}

.craft-item__en {
    display: block;
    font-family: var(--sans);
    font-weight: 500;
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--copper);
    margin-bottom: 1em;
}

.craft-item p {
    font-size: 0.9rem;
    color: var(--smoke);
    opacity: 1 !important;
    transform: none !important;
}

/* ── Act IV: The Land ── */

.act--land {
    background: linear-gradient(
        180deg,
        #0A0D06 0%,
        #0D1A0D 25%,
        #0A1520 60%,
        #0A1520 100%
    );
}

.act--land .act__bg {
    background: radial-gradient(ellipse at 70% 40%, rgba(45, 90, 39, 0.1) 0%, transparent 60%);
}

.act--land h2 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: #C8D8C0;
}

.land-verse {
    font-family: var(--serif);
    font-style: italic;
    font-size: clamp(1rem, 1.8vw, 1.25rem);
    line-height: 2;
    color: #8AAE7E;
    margin-bottom: 2em !important;
}

/* ── Act V: Coda ── */

.act--coda {
    min-height: 100vh;
    text-align: center;
    background: radial-gradient(ellipse at 50% 50%, #1A1208 0%, var(--black) 70%);
}

.act--coda .act__content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.coda-quote {
    margin-bottom: var(--space-xl);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1.2s ease, transform 1.2s ease;
}

.coda-quote span {
    display: block;
    font-family: var(--malayalam);
    font-weight: 700;
    font-size: clamp(2rem, 6vw, 4rem);
    color: var(--gold);
    text-shadow: 0 0 60px rgba(212, 168, 67, 0.25);
    margin-bottom: 0.5em;
}

.coda-quote p {
    font-family: var(--serif);
    font-style: italic;
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--smoke);
    line-height: 1.9;
    opacity: 1 !important;
    transform: none !important;
}

/* Contact */

.contact {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease 0.4s, transform 0.8s ease 0.4s;
}

.contact p {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: rgba(160, 152, 136, 0.5);
    margin-bottom: 0.6em !important;
    opacity: 1 !important;
    transform: none !important;
}

.contact a {
    font-family: var(--sans);
    font-weight: 300;
    font-size: 0.95rem;
    color: var(--copper);
    text-decoration: none;
    letter-spacing: 0.03em;
    border-bottom: 1px solid rgba(184, 115, 51, 0.3);
    padding-bottom: 2px;
    transition: color 0.3s ease, border-color 0.3s ease;
}

.contact a:hover {
    color: var(--gold);
    border-color: var(--gold);
}

/* ── Responsive ── */

@media (max-width: 480px) {
    .act {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    .craft-item {
        padding: 1rem;
    }
}

/* ── Reduced motion ── */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }

    .act__label, h2, .act__content p,
    .craft-grid, .coda-quote, .contact {
        opacity: 1 !important;
        transform: none !important;
    }
}