/* ═══════════════════════════════════════════════════════════════
   IA-COMMERCE · Landing
   Aesthetic: Editorial / Warm modernism
   Typography: Fraunces (display) + Manrope (body) + JetBrains Mono
   ═══════════════════════════════════════════════════════════════ */

/* ─── TOKENS ─────────────────────────────────────────────── */
:root {
    /* Canvas */
    --bg:           #F4EFE4;
    --bg-alt:       #EAE3D2;
    --bg-dark:      #1C1814;

    /* Ink */
    --ink:          #1A1714;
    --ink-soft:     #3F3831;
    --ink-muted:    #7B7268;
    --line:         #D8CFB9;
    --line-strong:  #A39680;

    /* Accents */
    --burgundy:     #6B1F1F;
    --burgundy-dk:  #4A1616;
    --terracotta:   #C85C2E;
    --terracotta-lt:#E68556;
    --forest:       #2E3D2E;
    --mustard:      #C79F3E;

    /* Semantic */
    --primary:      var(--burgundy);
    --accent:       var(--terracotta);

    /* Type scale */
    --f-display:    'Fraunces', Georgia, serif;
    --f-body:       'Manrope', system-ui, sans-serif;
    --f-mono:       'JetBrains Mono', ui-monospace, monospace;

    /* Motion */
    --ease:         cubic-bezier(0.2, 0.7, 0.2, 1);
    --ease-out:     cubic-bezier(0.16, 1, 0.3, 1);

    /* Layout */
    --pad-x:        clamp(1.25rem, 4vw, 3.5rem);
    --section-pad:  clamp(5rem, 10vw, 9rem);
    --max-w:        1360px;
}

/* ─── RESET ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    padding: 0;
    font-family: var(--f-body);
    background: var(--bg);
    color: var(--ink);
    font-size: 16px;
    line-height: 1.55;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }
h1, h2, h3, h4, h5, h6, p { margin: 0; }
em { font-style: italic; }

::selection { background: var(--burgundy); color: var(--bg); }

/* ─── GRAIN OVERLAY ──────────────────────────────────────── */
.grain {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.35;
    mix-blend-mode: multiply;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.1 0 0 0 0 0.09 0 0 0 0 0.08 0 0 0 0.15 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ─── REVEAL ─────────────────────────────────────────────── */
[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1.2s var(--ease-out), transform 1.2s var(--ease-out);
}
[data-reveal].is-visible {
    opacity: 1;
    transform: none;
}

/* ─── TOP BAR ────────────────────────────────────────────── */
.topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1.1rem var(--pad-x);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    background: color-mix(in oklab, var(--bg) 88%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
}

.topbar__brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--f-mono);
    font-size: 0.82rem;
    letter-spacing: 0.05em;
    font-weight: 500;
}
.mark {
    color: var(--burgundy);
    font-size: 1rem;
    animation: pulse 3s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}
.wordmark { letter-spacing: 0.08em; }

.topbar__nav {
    display: flex;
    gap: 2.2rem;
    font-size: 0.88rem;
    font-weight: 500;
}
.topbar__nav a {
    position: relative;
    color: var(--ink-soft);
    transition: color 0.3s;
}
.topbar__nav a::after {
    content: '';
    position: absolute;
    left: 0; right: 100%;
    bottom: -4px;
    height: 1px;
    background: var(--burgundy);
    transition: right 0.4s var(--ease);
}
.topbar__nav a:hover { color: var(--ink); }
.topbar__nav a:hover::after { right: 0; }

.topbar__cta {
    display: flex;
    align-items: center;
    gap: 0.9rem;
}
.dot-live {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--forest);
    box-shadow: 0 0 0 0 color-mix(in oklab, var(--forest) 50%, transparent);
    animation: ping 2s ease-out infinite;
}
@keyframes ping {
    0% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--forest) 50%, transparent); }
    80%, 100% { box-shadow: 0 0 0 10px color-mix(in oklab, var(--forest) 0%, transparent); }
}

/* ─── BUTTONS ────────────────────────────────────────────── */
.btn-solid, .btn-ghost, .btn-outline, .btn-link {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    font-family: var(--f-body);
    font-size: 0.93rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    padding: 0.85rem 1.5rem;
    border-radius: 999px;
    transition: all 0.4s var(--ease);
    white-space: nowrap;
}
.btn-solid {
    background: var(--ink);
    color: var(--bg);
    position: relative;
    overflow: hidden;
}
.btn-solid::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--burgundy);
    transform: translateY(101%);
    transition: transform 0.5s var(--ease);
    z-index: 0;
}
.btn-solid > * { position: relative; z-index: 1; }
.btn-solid:hover::before { transform: translateY(0); }
.btn-solid .arrow { transition: transform 0.3s var(--ease); }
.btn-solid:hover .arrow { transform: translate(3px, -3px); }

.btn-ghost {
    color: var(--ink);
    border: 1px solid var(--ink);
    padding: 0.55rem 1.1rem;
    font-size: 0.85rem;
}
.btn-ghost:hover { background: var(--ink); color: var(--bg); }

.btn-outline {
    color: var(--ink);
    border: 1px solid var(--line-strong);
    background: transparent;
}
.btn-outline:hover {
    background: var(--ink);
    color: var(--bg);
    border-color: var(--ink);
}

.btn-link {
    padding: 0;
    color: var(--ink);
    border-bottom: 1px solid currentColor;
    border-radius: 0;
    padding-bottom: 2px;
}
.wa-icon { font-size: 0.7rem; color: var(--forest); }

/* ─── HERO ───────────────────────────────────────────────── */
.hero {
    padding: 3rem var(--pad-x) 0;
    position: relative;
    max-width: var(--max-w);
    margin: 0 auto;
}

.hero__meta {
    display: flex;
    justify-content: space-between;
    font-family: var(--f-mono);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-muted);
    padding-bottom: 1.8rem;
    border-bottom: 1px solid var(--line);
    margin-bottom: 3.5rem;
}

.hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 5rem);
    align-items: start;
    margin-bottom: 5rem;
}

.hero__headline h1 {
    font-family: var(--f-display);
    font-weight: 400;
    font-size: clamp(3rem, 9vw, 8.5rem);
    line-height: 0.94;
    letter-spacing: -0.035em;
    margin-bottom: 2rem;
    font-variation-settings: "opsz" 144;
}
.hero__headline .line { display: block; }
.hero__headline em {
    font-family: var(--f-display);
    font-style: italic;
    color: var(--burgundy);
    font-variation-settings: "opsz" 144;
    font-weight: 500;
}

.hero__lede {
    font-family: var(--f-body);
    font-size: clamp(1.05rem, 1.3vw, 1.2rem);
    line-height: 1.55;
    color: var(--ink-soft);
    max-width: 34rem;
    margin-bottom: 2.5rem;
    font-weight: 400;
}

.hero__actions {
    display: flex;
    align-items: center;
    gap: 1.8rem;
    flex-wrap: wrap;
    margin-bottom: 1.8rem;
}
.hero__actions .btn-solid {
    padding: 1.05rem 1.8rem;
    font-size: 0.95rem;
}

.hero__footnote {
    font-family: var(--f-mono);
    font-size: 0.78rem;
    color: var(--ink-muted);
    letter-spacing: 0.02em;
}
.asterisk { color: var(--terracotta); font-weight: 700; }

/* Hero demo (WhatsApp mockup) */
.hero__demo {
    background: var(--bg-alt);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 1.2rem;
    position: relative;
    max-width: 100%;
    box-shadow: 0 1px 0 var(--line-strong) inset,
                0 30px 60px -30px rgba(60, 40, 20, 0.25),
                0 60px 120px -50px rgba(60, 40, 20, 0.18);
    transform: rotate(0.7deg);
}

.demo__header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.5rem 0.4rem 1rem;
    border-bottom: 1px dashed var(--line-strong);
    position: relative;
}
.demo__avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--burgundy);
    color: var(--bg);
    display: grid;
    place-items: center;
    font-family: var(--f-display);
    font-weight: 700;
    font-size: 1.1rem;
}
.demo__info { flex: 1; }
.demo__name {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--ink);
}
.demo__status {
    font-family: var(--f-mono);
    font-size: 0.7rem;
    color: var(--ink-muted);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 2px;
}
.pulse {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--forest);
    animation: pulseDot 1.6s ease-in-out infinite;
}
@keyframes pulseDot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}
.demo__badge {
    font-family: var(--f-mono);
    font-size: 0.62rem;
    letter-spacing: 0.12em;
    padding: 4px 8px;
    background: var(--ink);
    color: var(--bg);
    border-radius: 3px;
    font-weight: 600;
}

.demo__body {
    padding: 1.2rem 0.3rem;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.bubble {
    max-width: 80%;
    padding: 0.7rem 0.95rem 0.55rem;
    border-radius: 16px;
    font-size: 0.88rem;
    line-height: 1.45;
    position: relative;
    opacity: 0;
    transform: translateY(10px);
    animation: bubbleIn 0.5s var(--ease-out) forwards;
    animation-delay: var(--delay, 0s);
}
.bubble .time {
    display: block;
    font-family: var(--f-mono);
    font-size: 0.62rem;
    color: color-mix(in oklab, currentColor 50%, transparent);
    margin-top: 2px;
    text-align: right;
}
.bubble--in {
    background: var(--bg);
    color: var(--ink);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    border: 1px solid var(--line);
}
.bubble--out {
    background: var(--burgundy);
    color: var(--bg);
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}
.bubble--out strong { color: var(--bg); font-weight: 700; }
@keyframes bubbleIn {
    to { opacity: 1; transform: none; }
}

.typing {
    align-self: flex-start;
    background: var(--bg);
    border: 1px solid var(--line);
    padding: 0.7rem 0.95rem;
    border-radius: 16px;
    border-bottom-left-radius: 4px;
    display: flex;
    gap: 4px;
    opacity: 0;
    animation: bubbleIn 0.5s var(--ease-out) forwards;
    animation-delay: var(--delay, 2s);
}
.typing span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--ink-muted);
    animation: typingDot 1.2s ease-in-out infinite;
}
.typing span:nth-child(2) { animation-delay: 0.15s; }
.typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes typingDot {
    0%, 100% { transform: translateY(0); opacity: 0.4; }
    50% { transform: translateY(-4px); opacity: 1; }
}

.demo__footer {
    padding: 0.5rem 0.4rem 0;
    border-top: 1px dashed var(--line-strong);
}
.demo__stamp {
    font-family: var(--f-mono);
    font-size: 0.66rem;
    letter-spacing: 0.08em;
    color: var(--ink-muted);
    text-transform: uppercase;
}

.demo__annotation {
    position: absolute;
    top: 50%;
    right: calc(100% + 1.2rem);
    transform: translateY(-50%) rotate(-4deg);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}
.annotation__line {
    display: block;
    width: 60px;
    height: 1px;
    background: var(--terracotta);
    position: relative;
}
.annotation__line::before {
    content: '';
    position: absolute;
    left: -6px;
    top: -3px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--terracotta);
}
.annotation__text {
    font-family: var(--f-display);
    font-style: italic;
    font-size: 1rem;
    color: var(--terracotta);
    line-height: 1.25;
    text-align: right;
    font-weight: 400;
    white-space: nowrap;
}
@media (max-width: 900px) {
    .demo__annotation { display: none; }
}

/* Hero marquee */
.hero__marquee {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 1.2rem 0;
    overflow: hidden;
    white-space: nowrap;
    margin: 2rem 0 0;
}
.marquee__track {
    display: inline-flex;
    align-items: center;
    gap: 3rem;
    animation: marquee 40s linear infinite;
    font-family: var(--f-display);
    font-size: 1.6rem;
    font-weight: 400;
    font-style: italic;
    color: var(--ink);
    font-variation-settings: "opsz" 72;
}
.marquee__track span:nth-child(even) {
    font-size: 0.7rem;
    color: var(--terracotta);
}
@keyframes marquee {
    to { transform: translateX(-50%); }
}

/* ─── SECTION HEADS ─────────────────────────────────────── */
.section-head {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: var(--section-pad) var(--pad-x) 3rem;
}
.section-head--center {
    text-align: center;
}
.section-head--center .section-lede {
    margin-left: auto;
    margin-right: auto;
}

.section-num {
    display: inline-block;
    font-family: var(--f-mono);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin-bottom: 1.5rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--line-strong);
}
.section-title {
    font-family: var(--f-display);
    font-weight: 400;
    font-size: clamp(2.2rem, 5.5vw, 4.8rem);
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    color: var(--ink);
    font-variation-settings: "opsz" 144;
    max-width: 24ch;
}
.section-head--center .section-title {
    margin-left: auto;
    margin-right: auto;
}
.section-title em {
    color: var(--burgundy);
    font-weight: 500;
}
.section-lede {
    font-size: 1.1rem;
    line-height: 1.55;
    color: var(--ink-soft);
    max-width: 46ch;
}

/* ─── PROBLEM ────────────────────────────────────────────── */
.problem {
    padding: 0 var(--pad-x) var(--section-pad);
    max-width: var(--max-w);
    margin: 0 auto;
}
.problem__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.problem__card {
    background: var(--bg-alt);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 2rem 1.8rem 1.8rem;
    position: relative;
    transition: all 0.5s var(--ease);
}
.problem__card:hover {
    transform: translateY(-4px);
    border-color: var(--line-strong);
    box-shadow: 0 25px 40px -25px rgba(60, 40, 20, 0.2);
}
.problem__card--featured {
    background: var(--ink);
    color: var(--bg);
    border-color: var(--ink);
}
.problem__card.problem__card--featured .problem__num { color: var(--terracotta-lt); }
.problem__card.problem__card--featured h3 { color: var(--bg); }
.problem__card.problem__card--featured p { color: #D9CFB9; }
.problem__card.problem__card--featured .problem__tag {
    background: var(--terracotta);
    color: var(--bg);
    border-color: var(--terracotta);
}

.problem__num {
    font-family: var(--f-mono);
    font-size: 0.85rem;
    color: var(--terracotta);
    letter-spacing: 0.08em;
    display: block;
    margin-bottom: 1.5rem;
}
.problem__card h3 {
    font-family: var(--f-display);
    font-weight: 500;
    font-size: 1.55rem;
    line-height: 1.15;
    letter-spacing: -0.015em;
    margin-bottom: 0.9rem;
    color: var(--ink);
    font-variation-settings: "opsz" 72;
}
.problem__card p {
    color: var(--ink-soft);
    font-size: 0.98rem;
    line-height: 1.55;
    margin-bottom: 1.5rem;
}
.problem__tag {
    display: inline-block;
    font-family: var(--f-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 5px 10px;
    border: 1px solid var(--line-strong);
    border-radius: 3px;
    color: var(--burgundy);
    background: var(--bg);
}

/* ─── SOLUTION / CYCLE ───────────────────────────────────── */
.solution {
    background: var(--bg-dark);
    color: var(--bg);
    padding: var(--section-pad) var(--pad-x);
    position: relative;
    overflow: hidden;
}
.solution::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(200, 92, 46, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(107, 31, 31, 0.15) 0%, transparent 45%);
    pointer-events: none;
}
.solution .section-head { padding: 0 0 3rem; }
.solution .section-num { color: var(--terracotta-lt); border-color: color-mix(in oklab, var(--bg) 30%, transparent); }
.solution .section-title { color: var(--bg); }
.solution .section-title em { color: var(--terracotta-lt); }
.solution .section-lede { color: color-mix(in oklab, var(--bg) 70%, transparent); }

.cycle {
    position: relative;
    max-width: 1180px;
    margin: 0 auto;
    min-height: 880px;
    color: var(--bg);
}
.cycle__svg {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 720px;
    height: 720px;
    max-width: 90%;
    max-height: 90%;
    transform: translate(-50%, -50%);
    color: var(--terracotta-lt);
}
.cycle__ring { animation: rotate 80s linear infinite; transform-origin: center; }
@keyframes rotate { to { transform: rotate(360deg); } }
.cycle__core {
    fill: var(--terracotta);
    animation: pulse 3s ease-in-out infinite;
}

.cycle__node {
    position: absolute;
    width: 300px;
    transform: translate(-50%, -50%);
}
.cycle__node--1 { top: 20%; left: 22%; }
.cycle__node--2 { top: 20%; left: 78%; }
.cycle__node--3 { top: 78%; left: 50%; }

@media (max-width: 1080px) {
    .cycle { min-height: auto; }
    .cycle__svg { display: none; }
    .cycle__node {
        position: static;
        transform: none !important;
        width: 100%;
        max-width: 520px;
        margin: 0 auto 1.5rem;
    }
}

.node__inner {
    background: color-mix(in oklab, var(--bg-dark) 85%, var(--bg) 15%);
    border: 1px solid color-mix(in oklab, var(--bg) 20%, transparent);
    border-radius: 16px;
    padding: 1.8rem 1.5rem;
    transition: all 0.5s var(--ease);
}
.cycle__node:hover .node__inner {
    transform: translateY(-4px);
    border-color: var(--terracotta);
    background: color-mix(in oklab, var(--bg-dark) 75%, var(--bg) 25%);
}
.node__num {
    font-family: var(--f-mono);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    color: var(--terracotta-lt);
    display: block;
    margin-bottom: 0.75rem;
}
.node__inner h3 {
    font-family: var(--f-display);
    font-size: 1.8rem;
    font-weight: 500;
    margin-bottom: 0.65rem;
    letter-spacing: -0.02em;
    font-variation-settings: "opsz" 72;
}
.node__inner p {
    font-size: 0.92rem;
    line-height: 1.55;
    color: color-mix(in oklab, var(--bg) 75%, transparent);
    margin-bottom: 1rem;
}
.node__inner ul {
    border-top: 1px dashed color-mix(in oklab, var(--bg) 30%, transparent);
    padding-top: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.node__inner li {
    font-family: var(--f-mono);
    font-size: 0.76rem;
    color: color-mix(in oklab, var(--bg) 85%, transparent);
    letter-spacing: 0.02em;
}
.node__inner li::before {
    content: '→ ';
    color: var(--terracotta-lt);
}

/* ─── MODULES ────────────────────────────────────────────── */
.modules {
    padding: 0 var(--pad-x) var(--section-pad);
    max-width: var(--max-w);
    margin: 0 auto;
}
.modules__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: minmax(280px, auto);
    gap: 1.25rem;
}
.module-card {
    background: var(--bg-alt);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 1.8rem 1.7rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--ease);
}
.module-card:hover {
    border-color: var(--ink);
    transform: translateY(-3px);
}
.module-card--lg {
    grid-column: span 2;
    background: var(--ink);
    color: var(--bg);
    border-color: var(--ink);
    padding: 2.3rem 2.2rem;
}
.module-card.module-card--lg h3 { color: var(--bg); font-size: 2.2rem; }
.module-card.module-card--lg p { color: #D9CFB9; font-size: 1.05rem; max-width: 38ch; }
.module-card.module-card--lg .module-card__tag {
    background: var(--terracotta);
    color: var(--bg);
    border-color: var(--terracotta);
}
.module-card--tall { grid-row: span 2; }

.module-card__tag {
    display: inline-block;
    font-family: var(--f-mono);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 4px 9px;
    border: 1px solid var(--line-strong);
    border-radius: 3px;
    color: var(--ink-muted);
    background: var(--bg);
    margin-bottom: 1.5rem;
}
.module-card h3 {
    font-family: var(--f-display);
    font-weight: 500;
    font-size: 1.55rem;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
    color: var(--ink);
    font-variation-settings: "opsz" 72;
}
.module-card p {
    color: var(--ink-soft);
    font-size: 0.95rem;
    line-height: 1.55;
}

.module-card__features {
    margin-top: 1.8rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.module-card__features li {
    font-family: var(--f-mono);
    font-size: 0.82rem;
    color: color-mix(in oklab, var(--bg) 80%, transparent);
    display: flex;
    gap: 0.6rem;
}
.module-card__features li span { color: var(--terracotta-lt); }

.module-card__accent {
    position: absolute;
    bottom: -80px;
    right: -80px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(200, 92, 46, 0.35) 0%, transparent 60%);
    pointer-events: none;
}

.module-card__mini-visual {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--bg);
    border-radius: 10px;
    border: 1px solid var(--line);
}
.mini-row {
    font-family: var(--f-mono);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--ink-soft);
}
.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.dot--hot { background: var(--burgundy); box-shadow: 0 0 8px var(--burgundy); }
.dot--warm { background: var(--mustard); }
.dot--cold { background: var(--line-strong); }

@media (max-width: 900px) {
    .modules__grid { grid-template-columns: 1fr; }
    .module-card--lg, .module-card--tall { grid-column: auto; grid-row: auto; }
}

/* ─── USE CASES ──────────────────────────────────────────── */
.usecases {
    padding: 0 var(--pad-x) var(--section-pad);
    max-width: var(--max-w);
    margin: 0 auto;
}
.usecases__toggle {
    display: inline-flex;
    gap: 0;
    padding: 4px;
    background: var(--bg-alt);
    border: 1px solid var(--line);
    border-radius: 999px;
    margin-bottom: 2.5rem;
}
.toggle-btn {
    padding: 0.7rem 1.4rem;
    font-size: 0.88rem;
    font-weight: 500;
    border-radius: 999px;
    color: var(--ink-muted);
    transition: all 0.3s var(--ease);
}
.toggle-btn.is-active {
    background: var(--ink);
    color: var(--bg);
}

.usecases__panel {
    display: none;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
    opacity: 0;
    animation: fadeSlide 0.6s var(--ease-out) forwards;
}
.usecases__panel.is-active {
    display: grid;
}
@keyframes fadeSlide {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: none; }
}

.usecase {
    padding: 1.8rem 1.5rem;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--bg);
    transition: all 0.4s var(--ease);
}
.usecase:hover {
    background: var(--bg-alt);
    border-color: var(--line-strong);
}
.usecase__num {
    font-family: var(--f-mono);
    font-size: 0.85rem;
    color: var(--terracotta);
    display: block;
    margin-bottom: 1.2rem;
}
.usecase h4 {
    font-family: var(--f-display);
    font-weight: 500;
    font-size: 1.3rem;
    letter-spacing: -0.015em;
    margin-bottom: 0.5rem;
    color: var(--ink);
}
.usecase p {
    font-size: 0.92rem;
    color: var(--ink-soft);
    line-height: 1.5;
}

@media (max-width: 900px) {
    .usecases__panel { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
    .usecases__panel { grid-template-columns: 1fr; }
}

/* ─── CLIENTS ────────────────────────────────────────────── */
.clients {
    padding: 0 var(--pad-x) var(--section-pad);
    max-width: var(--max-w);
    margin: 0 auto;
}

.testimonial {
    max-width: 920px;
    margin: 0 auto 4rem;
    padding: clamp(2rem, 5vw, 4rem);
    background: var(--bg-alt);
    border: 1px solid var(--line);
    border-radius: 24px;
    position: relative;
}
.testimonial::before, .testimonial::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 1px solid var(--line-strong);
}
.testimonial::before {
    top: -1px; left: -1px;
    border-right: none; border-bottom: none;
    border-top-left-radius: 24px;
}
.testimonial::after {
    bottom: -1px; right: -1px;
    border-left: none; border-top: none;
    border-bottom-right-radius: 24px;
}

.testimonial blockquote {
    font-family: var(--f-display);
    font-weight: 400;
    font-size: clamp(1.4rem, 2.6vw, 2.2rem);
    line-height: 1.35;
    letter-spacing: -0.015em;
    color: var(--ink);
    margin: 0 0 2.5rem;
    font-style: italic;
    font-variation-settings: "opsz" 96;
    position: relative;
}
.testimonial blockquote strong {
    font-style: normal;
    color: var(--burgundy);
    font-weight: 600;
}
.quote-open, .quote-close {
    font-family: var(--f-display);
    font-size: 3em;
    line-height: 0;
    vertical-align: -0.35em;
    color: var(--terracotta);
    font-style: italic;
    margin: 0 0.05em;
}

.testimonial figcaption {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    padding-top: 1.5rem;
    border-top: 1px dashed var(--line-strong);
}
.testimonial__who {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.testimonial__avatar {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--burgundy);
    color: var(--bg);
    display: grid;
    place-items: center;
    font-family: var(--f-display);
    font-weight: 600;
    font-size: 1.2rem;
}
.testimonial__name {
    font-weight: 700;
    color: var(--ink);
    font-size: 1rem;
}
.testimonial__role {
    font-family: var(--f-mono);
    font-size: 0.78rem;
    color: var(--ink-muted);
}
.testimonial__link {
    font-family: var(--f-mono);
    font-size: 0.85rem;
    color: var(--ink);
    border-bottom: 1px solid var(--ink-muted);
    padding-bottom: 2px;
    transition: border-color 0.3s;
}
.testimonial__link:hover { border-color: var(--burgundy); color: var(--burgundy); }

.clients__logos {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.logo-slot {
    padding: 2.5rem 1rem;
    text-align: center;
    font-family: var(--f-display);
    font-size: 1.4rem;
    font-style: italic;
    font-weight: 500;
    color: var(--ink);
    letter-spacing: -0.02em;
    border-right: 1px solid var(--line);
}
.logo-slot:last-child { border-right: none; }
.logo-slot--ghost {
    color: var(--ink-muted);
    opacity: 0.45;
    font-style: italic;
    font-family: var(--f-mono);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 400;
}
@media (max-width: 700px) {
    .clients__logos { grid-template-columns: 1fr 1fr; }
    .logo-slot:nth-child(2) { border-right: none; }
    .logo-slot:nth-child(1), .logo-slot:nth-child(2) { border-bottom: 1px solid var(--line); }
}

/* ─── METRICS ────────────────────────────────────────────── */
.metrics {
    padding: 0 var(--pad-x) var(--section-pad);
    max-width: var(--max-w);
    margin: 0 auto;
}
.metrics__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-top: 1px solid var(--ink);
    border-bottom: 1px solid var(--ink);
}
.metric {
    padding: 3.5rem 1.5rem;
    border-right: 1px solid var(--line-strong);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.metric:last-child { border-right: none; }
.metric__num {
    font-family: var(--f-display);
    font-weight: 400;
    font-size: clamp(3.5rem, 7vw, 6rem);
    line-height: 0.9;
    letter-spacing: -0.04em;
    color: var(--ink);
    font-variation-settings: "opsz" 144;
    display: inline-block;
}
.metric__unit {
    font-family: var(--f-display);
    font-style: italic;
    font-size: 1.8rem;
    color: var(--burgundy);
    font-weight: 400;
    margin-top: 0.2rem;
}
.metric__label {
    margin-top: 1.5rem;
    font-size: 0.92rem;
    color: var(--ink-soft);
    line-height: 1.45;
    max-width: 18ch;
}
@media (max-width: 900px) {
    .metrics__grid { grid-template-columns: 1fr 1fr; }
    .metric { border-right: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); }
    .metric:nth-child(2) { border-right: none; }
    .metric:nth-child(3), .metric:nth-child(4) { border-bottom: none; }
    .metric:nth-child(4) { border-right: none; }
}

/* ─── SERVICES (paquete completo) ────────────────────────── */
.services {
    padding: 0 var(--pad-x) var(--section-pad);
    max-width: var(--max-w);
    margin: 0 auto;
}
.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.4rem;
    margin-top: 3.5rem;
}
.service {
    position: relative;
    background: var(--bg-alt);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 2rem 1.8rem 1.8rem;
    transition: transform 0.45s var(--ease), border-color 0.45s var(--ease), background 0.45s var(--ease);
    overflow: hidden;
}
.service::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent 0%, var(--terracotta) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s var(--ease);
}
.service:hover {
    transform: translateY(-6px);
    border-color: var(--line-strong);
    background: color-mix(in oklab, var(--bg-alt) 70%, var(--bg) 30%);
}
.service:hover::after { opacity: 1; }
.service__index {
    font-family: var(--f-mono);
    font-size: 0.78rem;
    color: var(--terracotta);
    letter-spacing: 0.06em;
    display: block;
    margin-bottom: 1.1rem;
}
.service__name {
    font-family: var(--f-display);
    font-size: 1.4rem;
    font-weight: 500;
    letter-spacing: -0.015em;
    color: var(--ink);
    margin-bottom: 0.7rem;
    font-variation-settings: "opsz" 36;
}
.service__desc {
    font-size: 0.95rem;
    color: var(--ink-soft);
    line-height: 1.55;
    margin-bottom: 1.4rem;
}
.service__tag {
    display: inline-block;
    font-family: var(--f-mono);
    font-size: 0.66rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-muted);
    background: color-mix(in oklab, var(--bg) 60%, transparent);
    border: 1px solid var(--line);
    padding: 4px 9px;
    border-radius: 3px;
}
@media (max-width: 1100px) {
    .services__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .services__grid { grid-template-columns: 1fr; }
}

/* ─── CALLOUT (boxes that replace inline styles) ─────────── */
.callout {
    margin: 4rem auto 0;
    max-width: 880px;
    padding: 1.8rem 2.2rem 2rem;
    background: color-mix(in oklab, var(--mustard) 12%, var(--bg) 88%);
    border-left: 3px solid var(--mustard);
    border-radius: 4px 14px 14px 4px;
    position: relative;
}
.callout__label {
    display: inline-block;
    font-family: var(--f-mono);
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--burgundy);
    margin-bottom: 0.7rem;
    font-weight: 500;
}
.callout__body {
    font-family: var(--f-body);
    font-size: 1rem;
    color: var(--ink-soft);
    line-height: 1.75;
    margin: 0;
}
.callout__body strong { color: var(--ink); font-weight: 600; }
.callout__arrow {
    color: var(--terracotta);
    font-family: var(--f-mono);
    font-weight: 500;
    margin: 0 0.15rem;
}

/* ─── VALUE COMPARISON TABLE ─────────────────────────────── */
.value {
    padding: 0 var(--pad-x) var(--section-pad);
    max-width: var(--max-w);
    margin: 0 auto;
}
.value-table {
    margin-top: 3.5rem;
    border-top: 1px solid var(--ink);
    border-bottom: 1px solid var(--ink);
}
.value-table__head {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 1.5rem;
    padding: 1rem 0.5rem;
    border-bottom: 1px solid var(--line-strong);
    font-family: var(--f-mono);
    font-size: 0.74rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-muted);
}
.value-table__head span:nth-child(2) { text-align: right; }
.value-table__head span:nth-child(3) { text-align: right; color: var(--burgundy); }

.value-row {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 1.5rem;
    align-items: center;
    padding: 1.4rem 0.5rem;
    border-bottom: 1px dashed var(--line);
    transition: background 0.3s var(--ease);
}
.value-row:last-child { border-bottom: none; }
.value-row:hover {
    background: color-mix(in oklab, var(--bg-alt) 60%, transparent);
}
.value-row__name {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}
.value-row__num {
    font-family: var(--f-mono);
    font-size: 0.85rem;
    color: var(--terracotta);
    flex-shrink: 0;
    padding-top: 0.15rem;
    min-width: 1.6rem;
}
.value-row__name strong {
    display: block;
    font-family: var(--f-display);
    font-size: 1.08rem;
    font-weight: 500;
    color: var(--ink);
    letter-spacing: -0.01em;
    margin-bottom: 0.15rem;
}
.value-row__name span {
    font-size: 0.85rem;
    color: var(--ink-muted);
    line-height: 1.4;
}
.value-row__market {
    text-align: right;
    font-family: var(--f-mono);
    font-size: 0.92rem;
    color: var(--ink-soft);
    text-decoration: line-through;
    text-decoration-color: color-mix(in oklab, var(--ink-muted) 60%, transparent);
    text-decoration-thickness: 1px;
}
.value-row__ours {
    text-align: right;
    font-family: var(--f-display);
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--burgundy);
    letter-spacing: -0.01em;
    font-variation-settings: "opsz" 36;
}
.value-row--total {
    background: var(--ink);
    color: var(--bg);
    border-bottom: none;
    margin-top: 0.5rem;
    padding: 1.8rem 1.2rem;
    border-radius: 8px;
}
.value-row--total:hover { background: var(--ink); }
.value-row--total .value-row__num { color: var(--terracotta-lt); font-size: 1.1rem; }
.value-row--total .value-row__name strong { color: var(--bg); font-size: 1.25rem; }
.value-row--total .value-row__name span { color: color-mix(in oklab, var(--bg) 55%, transparent); }
.value-row--total .value-row__market {
    color: color-mix(in oklab, var(--bg) 65%, transparent);
    font-size: 1.02rem;
}
.value-row--total .value-row__ours {
    color: var(--terracotta-lt);
    font-size: 1.45rem;
    font-weight: 500;
}

.value__footnote {
    margin-top: 2rem;
    font-family: var(--f-mono);
    font-size: 0.82rem;
    color: var(--ink-muted);
    line-height: 1.7;
    max-width: 720px;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}
.value__footnote strong { color: var(--burgundy); font-weight: 600; }
.value__footnote .asterisk { color: var(--terracotta); margin-right: 0.25rem; }

@media (max-width: 800px) {
    .value-table__head { display: none; }
    .value-row {
        grid-template-columns: 1fr;
        gap: 0.6rem;
        padding: 1.3rem 0.5rem;
        border-bottom: 1px solid var(--line);
    }
    .value-row__market,
    .value-row__ours {
        text-align: left;
        padding-left: 2.6rem;
    }
    .value-row__market::before {
        content: 'Mercado: ';
        font-family: var(--f-mono);
        font-size: 0.7rem;
        text-transform: uppercase;
        letter-spacing: 0.1em;
        color: var(--ink-muted);
        text-decoration: none;
        margin-right: 0.4rem;
    }
    .value-row__ours::before {
        content: 'IA-COMMERCE: ';
        font-family: var(--f-mono);
        font-size: 0.7rem;
        text-transform: uppercase;
        letter-spacing: 0.1em;
        color: var(--ink-muted);
        margin-right: 0.4rem;
        font-weight: 400;
    }
    .value-row--total .value-row__market::before,
    .value-row--total .value-row__ours::before {
        color: color-mix(in oklab, var(--bg) 55%, transparent);
    }
}

/* ─── PRICING ────────────────────────────────────────────── */
.pricing {
    padding: 0 var(--pad-x) var(--section-pad);
    max-width: var(--max-w);
    margin: 0 auto;
}
.pricing__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
    align-items: start;
}
.plan {
    background: var(--bg-alt);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 2.2rem 1.9rem;
    position: relative;
    transition: all 0.4s var(--ease);
}
.plan:hover {
    transform: translateY(-6px);
    border-color: var(--line-strong);
}
.plan--featured {
    background: var(--ink);
    color: var(--bg);
    border-color: var(--ink);
    transform: scale(1.02);
    padding: 2.5rem 2rem;
}
.plan--featured:hover { transform: scale(1.02) translateY(-6px); }
.plan__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--f-mono);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    background: var(--terracotta);
    color: var(--bg);
    padding: 5px 14px;
    border-radius: 3px;
    font-weight: 600;
}
.plan__header {
    border-bottom: 1px dashed var(--line-strong);
    padding-bottom: 1.2rem;
    margin-bottom: 1.5rem;
}
.plan--featured .plan__header {
    border-bottom-color: color-mix(in oklab, var(--bg) 30%, transparent);
}
.plan__name {
    display: block;
    font-family: var(--f-display);
    font-size: 1.4rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    margin-bottom: 0.2rem;
}
.plan__desc {
    font-family: var(--f-mono);
    font-size: 0.82rem;
    color: var(--ink-muted);
}
.plan--featured .plan__desc { color: color-mix(in oklab, var(--bg) 70%, transparent); }

.plan__price {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
    margin-bottom: 0.3rem;
}
.price-symbol {
    font-family: var(--f-display);
    font-size: 1.5rem;
    color: var(--ink-muted);
    font-weight: 300;
}
.plan--featured .price-symbol { color: color-mix(in oklab, var(--bg) 60%, transparent); }
.price-num {
    font-family: var(--f-display);
    font-size: clamp(2rem, 3.2vw, 2.8rem);
    font-weight: 500;
    letter-spacing: -0.02em;
    font-variation-settings: "opsz" 72;
}
.price-suffix {
    font-family: var(--f-mono);
    font-size: 0.8rem;
    color: var(--ink-muted);
    letter-spacing: 0.02em;
    margin-left: 0.2rem;
}
.plan--featured .price-suffix { color: color-mix(in oklab, var(--bg) 70%, transparent); }
.plan__setup {
    font-family: var(--f-mono);
    font-size: 0.78rem;
    color: var(--ink-muted);
    margin-bottom: 1.8rem;
}
.plan--featured .plan__setup { color: color-mix(in oklab, var(--bg) 60%, transparent); }

.plan__features {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin-bottom: 2rem;
}
.plan__features li {
    font-size: 0.92rem;
    color: var(--ink-soft);
    padding-left: 1.3rem;
    position: relative;
    line-height: 1.45;
}
.plan__features li::before {
    content: '◦';
    position: absolute;
    left: 0;
    color: var(--terracotta);
    font-size: 1.1rem;
    top: -2px;
}
.plan--featured .plan__features li {
    color: color-mix(in oklab, var(--bg) 85%, transparent);
}
.plan--featured .plan__features li::before { color: var(--terracotta-lt); }

.plan__limit {
    color: color-mix(in oklab, var(--ink-soft) 55%, transparent) !important;
    font-style: italic;
}
.plan__limit::before {
    content: '' !important;
    display: none;
}

.plan a.btn-outline,
.plan a.btn-solid {
    width: 100%;
    justify-content: center;
}
.plan--featured .btn-solid {
    background: var(--terracotta);
    color: var(--bg);
}
.plan--featured .btn-solid::before { background: var(--bg); }
.plan--featured .btn-solid:hover { color: var(--ink); }

@media (max-width: 900px) {
    .pricing__grid { grid-template-columns: 1fr; }
    .plan--featured { transform: none; }
    .plan--featured:hover { transform: translateY(-6px); }
}

/* ─── FAQ ────────────────────────────────────────────────── */
.faq {
    padding: 0 var(--pad-x) var(--section-pad);
    max-width: 900px;
    margin: 0 auto;
}
.faq__list {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--ink);
}
.faq__item {
    border-bottom: 1px solid var(--line-strong);
}
.faq__item summary {
    list-style: none;
    cursor: pointer;
    padding: 1.8rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    font-family: var(--f-display);
    font-size: clamp(1.15rem, 1.8vw, 1.5rem);
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--ink);
    transition: color 0.3s;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary:hover { color: var(--burgundy); }
.faq__icon {
    font-family: var(--f-mono);
    font-size: 1.4rem;
    color: var(--terracotta);
    transition: transform 0.4s var(--ease);
    flex-shrink: 0;
}
.faq__item[open] .faq__icon { transform: rotate(45deg); }
.faq__answer {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--ink-soft);
    padding: 0 0 1.8rem;
    max-width: 62ch;
    animation: slideDown 0.4s var(--ease-out);
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: none; }
}

/* ─── CONTACT ────────────────────────────────────────────── */
.contact {
    background: var(--ink);
    color: var(--bg);
    padding: var(--section-pad) var(--pad-x);
    position: relative;
    overflow: hidden;
}
.contact::before {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(200, 92, 46, 0.12) 0%, transparent 60%);
    pointer-events: none;
}
.contact__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 4rem;
    max-width: var(--max-w);
    margin: 0 auto;
    position: relative;
}
.contact__left .section-num { color: var(--terracotta-lt); border-color: color-mix(in oklab, var(--bg) 30%, transparent); }
.contact__left .section-title { color: var(--bg); max-width: 100%; }
.contact__left .section-title em { color: var(--terracotta-lt); }
.contact__left .section-lede { color: color-mix(in oklab, var(--bg) 75%, transparent); margin-bottom: 3rem; }

.contact__alt {
    display: flex;
    flex-direction: column;
    gap: 1.3rem;
    padding-top: 2rem;
    border-top: 1px dashed color-mix(in oklab, var(--bg) 25%, transparent);
}
.contact__alt-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.icon-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid color-mix(in oklab, var(--bg) 30%, transparent);
    display: grid;
    place-items: center;
    color: var(--terracotta-lt);
    font-size: 0.9rem;
}
.contact__alt-label {
    font-family: var(--f-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: color-mix(in oklab, var(--bg) 60%, transparent);
    margin-bottom: 2px;
}
.contact__alt-item a {
    font-family: var(--f-display);
    font-size: 1.1rem;
    color: var(--bg);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s;
}
.contact__alt-item a:hover { border-color: var(--terracotta-lt); }

/* Form */
.contact__form {
    background: color-mix(in oklab, var(--bg) 8%, var(--ink));
    border: 1px solid color-mix(in oklab, var(--bg) 18%, transparent);
    border-radius: 20px;
    padding: 2.2rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}
.form__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px dashed color-mix(in oklab, var(--bg) 25%, transparent);
    margin-bottom: 0.5rem;
}
.form__label, .form__time {
    font-family: var(--f-mono);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    color: color-mix(in oklab, var(--bg) 55%, transparent);
}
.form__time { color: var(--terracotta-lt); }

.form__field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.form__field label {
    font-family: var(--f-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: color-mix(in oklab, var(--bg) 65%, transparent);
    text-transform: uppercase;
}
.form__field input,
.form__field textarea,
.form__field select {
    background: transparent;
    border: none;
    border-bottom: 1px solid color-mix(in oklab, var(--bg) 25%, transparent);
    color: var(--bg);
    padding: 0.6rem 0;
    font-size: 1rem;
    transition: border-color 0.3s;
    font-family: var(--f-body);
}
.form__field input::placeholder,
.form__field textarea::placeholder {
    color: color-mix(in oklab, var(--bg) 30%, transparent);
    font-family: var(--f-body);
}
.form__field input:focus,
.form__field textarea:focus,
.form__field select:focus {
    outline: none;
    border-color: var(--terracotta-lt);
}
.form__field textarea {
    resize: vertical;
    min-height: 80px;
}
.form__field select option {
    background: var(--ink);
    color: var(--bg);
}
.form__row {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 1.2rem;
}

.form__submit {
    margin-top: 0.8rem;
    width: 100%;
    justify-content: center;
    background: var(--terracotta);
    color: var(--bg);
    padding: 1rem 2rem;
    font-size: 0.98rem;
}
.form__submit::before { background: var(--bg); }
.form__submit:hover { color: var(--ink); }
.form__submit.is-sent { background: var(--forest) !important; }
.form__submit.is-sent::before { display: none; }

.form__disclaimer {
    font-family: var(--f-mono);
    font-size: 0.72rem;
    color: color-mix(in oklab, var(--bg) 45%, transparent);
    line-height: 1.55;
    text-align: center;
}

@media (max-width: 900px) {
    .contact__grid { grid-template-columns: 1fr; gap: 3rem; }
}

/* ─── FOOTER ─────────────────────────────────────────────── */
.footer {
    background: var(--bg-dark);
    color: color-mix(in oklab, var(--bg) 60%, transparent);
    padding: 3.5rem var(--pad-x) 2rem;
}
.footer__top, .footer__bottom {
    max-width: var(--max-w);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}
.footer__top {
    padding-bottom: 2rem;
    border-bottom: 1px solid color-mix(in oklab, var(--bg) 15%, transparent);
    margin-bottom: 2rem;
}
.footer__brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--f-mono);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    color: var(--bg);
}
.footer__brand .mark { color: var(--terracotta-lt); }
.footer__nav {
    display: flex;
    gap: 2rem;
    font-size: 0.88rem;
}
.footer__nav a { color: color-mix(in oklab, var(--bg) 70%, transparent); transition: color 0.3s; }
.footer__nav a:hover { color: var(--terracotta-lt); }
.footer__bottom {
    font-family: var(--f-mono);
    font-size: 0.76rem;
    letter-spacing: 0.02em;
}
.footer__bottom a { transition: color 0.3s; }
.footer__bottom a:hover { color: var(--terracotta-lt); }
.footer__dot { color: color-mix(in oklab, var(--bg) 25%, transparent); }
.footer__status {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--terracotta-lt);
}

/* ─── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 900px) {
    .hero__grid { grid-template-columns: 1fr; gap: 3rem; }
    .hero__demo { transform: none; max-width: 480px; margin: 0 auto; }
    .problem__grid { grid-template-columns: 1fr; }
    .topbar__nav { display: none; }
    .form__row { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    :root { --pad-x: 1.25rem; }
    .hero__actions { flex-direction: column; align-items: flex-start; gap: 1rem; }
    .hero__actions .btn-solid, .hero__actions .btn-link { width: 100%; justify-content: center; }
    .clients__logos { grid-template-columns: 1fr; }
    .logo-slot { border-right: none !important; border-bottom: 1px solid var(--line); }
    .logo-slot:last-child { border-bottom: none; }
    .metrics__grid { grid-template-columns: 1fr; }
    .metric { border-right: none !important; border-bottom: 1px solid var(--line-strong); }
    .metric:last-child { border-bottom: none; }
    .topbar__cta .btn-ghost { padding: 0.45rem 0.9rem; font-size: 0.78rem; }
}

/* ─── BILLING TOGGLE ──────────────────────────────────────── */
.billing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.9rem;
    margin: 2rem 0 2.5rem;
}
.billing-toggle__label {
    font-family: var(--f-mono);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: color-mix(in oklab, var(--ink) 40%, transparent);
    transition: color 0.2s;
}
.billing-toggle__label.is-active {
    color: var(--ink);
}
.billing-toggle__save {
    font-style: normal;
    font-family: var(--f-body);
    font-size: 0.7rem;
    background: color-mix(in oklab, var(--burgundy) 15%, transparent);
    color: var(--burgundy);
    padding: 0.15rem 0.5rem;
    border-radius: 20px;
    margin-left: 0.4rem;
    font-weight: 600;
}
.billing-toggle__btn {
    position: relative;
    width: 42px;
    height: 24px;
    background: var(--line-strong);
    border: none;
    border-radius: 99px;
    cursor: pointer;
    transition: background 0.25s;
    padding: 0;
}
.billing-toggle__btn.is-annual {
    background: var(--burgundy);
}
.billing-toggle__dot {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    background: var(--bg);
    border-radius: 50%;
    transition: transform 0.25s cubic-bezier(.4,0,.2,1);
    display: block;
}
.billing-toggle__btn.is-annual .billing-toggle__dot {
    transform: translateX(18px);
}