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

:root {
    --purple:      #7c3aed;
    --purple-light:#a78bfa;
    --purple-dim:  #4c1d95;
    --navy:        #0f172a;
    --navy-mid:    #1e293b;
    --navy-border: #334155;
    --slate:       #94a3b8;
    --slate-light: #cbd5e1;
    --white:       #f8fafc;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--navy);
    color: var(--white);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ─── Noise + grid background ───────────────────────────────── */

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(124,58,237,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124,58,237,.04) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
    z-index: 0;
}

/* ─── Nav ───────────────────────────────────────────────────── */

nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 2.5rem;
    border-bottom: 1px solid rgba(255,255,255,.06);
    background: rgba(15,23,42,.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: .6rem;
    text-decoration: none;
    color: var(--white);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.nav-dot {
    width: 8px;
    height: 8px;
    background: var(--purple);
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 8px var(--purple);
}

.nav-by {
    font-size: .72rem;
    font-weight: 500;
    color: var(--slate);
    letter-spacing: .04em;
    text-transform: none;
}

.nav-actions a {
    font-size: .82rem;
    font-weight: 600;
    color: var(--slate-light);
    text-decoration: none;
    padding: .45rem 1rem;
    border-radius: .4rem;
    border: 1.5px solid var(--navy-border);
    transition: color .15s, border-color .15s, background .15s;
}

.nav-actions a:hover {
    color: var(--white);
    border-color: var(--purple);
    background: rgba(124,58,237,.1);
}

/* ─── Hero ──────────────────────────────────────────────────── */

.hero {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 7rem 2rem 5rem;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: -120px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(ellipse at center, rgba(124,58,237,.22) 0%, transparent 70%);
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .35rem .9rem;
    border-radius: 99px;
    border: 1px solid rgba(167,139,250,.3);
    background: rgba(124,58,237,.12);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--purple-light);
    margin-bottom: 2rem;
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    background: var(--purple-light);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: .4; transform: scale(.7); }
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -.04em;
    color: var(--white);
    max-width: 820px;
    margin-bottom: 1.5rem;
}

h1 .accent {
    background: linear-gradient(135deg, var(--purple-light) 0%, #c084fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--slate);
    max-width: 560px;
    line-height: 1.7;
    margin-bottom: 2.75rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 4.5rem;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .8rem 1.75rem;
    font-size: .92rem;
    font-weight: 700;
    color: #fff;
    background: var(--purple);
    border: none;
    border-radius: .5rem;
    text-decoration: none;
    transition: background .15s, box-shadow .15s, transform .1s;
    cursor: pointer;
}

.btn-primary:hover {
    background: #6d28d9;
    box-shadow: 0 4px 20px rgba(124,58,237,.45);
    transform: translateY(-1px);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .8rem 1.75rem;
    font-size: .92rem;
    font-weight: 600;
    color: var(--slate-light);
    background: transparent;
    border: 1.5px solid var(--navy-border);
    border-radius: .5rem;
    text-decoration: none;
    transition: color .15s, border-color .15s, background .15s, transform .1s;
}

.btn-ghost:hover {
    color: var(--white);
    border-color: var(--purple);
    background: rgba(124,58,237,.08);
    transform: translateY(-1px);
}

/* ─── Hero flow animation ─────────────────────────────────────── */

/* client: glow when response arrives (91-97%) */
@keyframes glow-client {
    0%, 90% { filter: drop-shadow(0 0 6px  rgba(100,116,139,.15)); }
    94%     { filter: drop-shadow(0 0 22px rgba(148,163,184,.65)); }
    100%    { filter: drop-shadow(0 0 6px  rgba(100,116,139,.15)); }
}

/* oq: glow on receive (15%), glow on route back (71%) */
@keyframes glow-oq {
    0%    { filter: drop-shadow(0 0 8px  rgba(124,58,237,.25)); }
    15%   { filter: drop-shadow(0 0 26px rgba(124,58,237,.8)); }
    22%   { filter: drop-shadow(0 0 8px  rgba(124,58,237,.25)); }
    68%   { filter: drop-shadow(0 0 8px  rgba(124,58,237,.25)); }
    71%   { filter: drop-shadow(0 0 26px rgba(124,58,237,.8)); }
    77%   { filter: drop-shadow(0 0 8px  rgba(124,58,237,.25)); }
    100%  { filter: drop-shadow(0 0 8px  rgba(124,58,237,.25)); }
}

/* AI: double-pulse while processing (40-57%) */
@keyframes glow-ai {
    0%, 39% { filter: drop-shadow(0 0 6px  rgba(167,139,250,.2)); }
    44%     { filter: drop-shadow(0 0 26px rgba(167,139,250,.8)); }
    49%     { filter: drop-shadow(0 0 12px rgba(167,139,250,.4)); }
    53%     { filter: drop-shadow(0 0 26px rgba(167,139,250,.8)); }
    57%     { filter: drop-shadow(0 0 6px  rgba(167,139,250,.2)); }
    100%    { filter: drop-shadow(0 0 6px  rgba(167,139,250,.2)); }
}

/* dot: your service → oqueue (2-11%) */
@keyframes dot-to-oq {
    0%, 1%    { opacity: 0; left: 0; }
    2%        { opacity: 1; left: 0; }
    11%       { opacity: 1; left: 132px; }
    12%, 100% { opacity: 0; left: 132px; }
}

/* dot: oqueue → AI (23-35%) */
@keyframes dot-fwd {
    0%, 22%   { opacity: 0; left: 0; }
    23%       { opacity: 1; left: 0; }
    35%       { opacity: 1; left: 132px; }
    36%, 100% { opacity: 0; left: 132px; }
}

/* dot: AI → oqueue (58-68%) */
@keyframes dot-back {
    0%, 57%   { opacity: 0; left: 132px; }
    58%       { opacity: 1; left: 132px; }
    68%       { opacity: 1; left: 0; }
    69%, 100% { opacity: 0; left: 0; }
}

/* dot: oqueue → your service (78-89%) */
@keyframes dot-from-oq {
    0%, 77%   { opacity: 0; left: 132px; }
    78%       { opacity: 1; left: 132px; }
    89%       { opacity: 1; left: 0; }
    90%, 100% { opacity: 0; left: 0; }
}

.hero-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
}

.hf-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .5rem;
}

.hf-node-client .hf-icon {
    width: 80px;
    height: 80px;
    animation: glow-client 7s ease-in-out infinite;
}

.hf-node-oq .hf-icon {
    width: 80px;
    height: 80px;
    animation: glow-oq 7s ease-in-out infinite;
}

.hf-node-ai .hf-icon {
    width: 80px;
    height: 80px;
    animation: glow-ai 7s ease-in-out infinite;
}

.hf-label {
    font-size: .63rem;
    font-family: ui-monospace, monospace;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--slate);
}

.hf-connector {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 140px;
    flex-shrink: 0;
}

.hf-track {
    position: relative;
    height: 10px;
    display: flex;
    align-items: center;
}

.hf-arrow-svg {
    position: absolute;
    top: 2px;
    left: 0;
    width: 100%;
    height: 6px;
}

.hf-dot {
    position: absolute;
    top: 1px;
    left: 0;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    opacity: 0;
}

.hf-dot-to-oq {
    background: #64748b;
    box-shadow: 0 0 8px rgba(100,116,139,.8);
    animation: dot-to-oq 7s linear infinite;
}

.hf-dot-fwd {
    background: #7c3aed;
    box-shadow: 0 0 8px rgba(124,58,237,.9);
    animation: dot-fwd 7s linear infinite;
}

.hf-dot-back {
    background: #a78bfa;
    box-shadow: 0 0 8px rgba(167,139,250,.9);
    animation: dot-back 7s linear infinite;
}

.hf-dot-from-oq {
    background: #a78bfa;
    box-shadow: 0 0 8px rgba(167,139,250,.8);
    animation: dot-from-oq 7s linear infinite;
}

@media (max-width: 600px) {
    .hero-flow {
        flex-direction: column;
        align-items: center;
    }

    /* rotate(90deg): → becomes ↓, ← becomes ↑, dots travel vertically
       layout box stays 140×25px so compensate with margin for the 140px visual height */
    .hf-connector {
        transform: rotate(90deg);
        margin: 58px 0;
    }
}

/* ─── Scroll hint ───────────────────────────────────────────── */

.scroll-hint {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .35rem;
    color: var(--slate);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    margin-top: 3.5rem;
    opacity: .5;
    animation: bob 2.5s ease-in-out infinite;
}

.scroll-hint svg { width: 16px; height: 16px; }

@keyframes bob {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(5px); }
}

/* ─── Features ──────────────────────────────────────────────── */

.section {
    position: relative;
    z-index: 1;
    padding: 6rem 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.section-label {
    display: block;
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--purple-light);
    margin-bottom: .75rem;
}

.section-title {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -.03em;
    color: var(--white);
    margin-bottom: 1rem;
    max-width: 600px;
}

.section-sub {
    font-size: .95rem;
    color: var(--slate);
    line-height: 1.7;
    max-width: 520px;
    margin-bottom: 3.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

/* highlight at 0-8%, fade by 20%, then silent until next loop */
@keyframes card-seq {
    0%   { border-color: rgba(124,58,237,.45); background: rgba(124,58,237,.09); box-shadow: inset 0 1px 0 rgba(124,58,237,.5); }
    8%   { border-color: rgba(124,58,237,.45); background: rgba(124,58,237,.09); box-shadow: inset 0 1px 0 rgba(124,58,237,.5); }
    20%  { border-color: rgba(255,255,255,.07); background: rgba(255,255,255,.03); box-shadow: inset 0 1px 0 rgba(124,58,237,0); }
    100% { border-color: rgba(255,255,255,.07); background: rgba(255,255,255,.03); box-shadow: inset 0 1px 0 rgba(124,58,237,0); }
}

.feature-card {
    background: rgba(255,255,255,.03);
    border: 1px solid rgba(255,255,255,.07);
    border-radius: .75rem;
    padding: 1.75rem;
    transition: transform .15s;
    position: relative;
    overflow: hidden;
    animation: card-seq 6s ease-in-out infinite;
}

/* stagger each card 1s apart using negative delays so they cycle in order */
.features-grid .feature-card:nth-child(1) { animation-delay:  0s; }
.features-grid .feature-card:nth-child(2) { animation-delay: -5s; }
.features-grid .feature-card:nth-child(3) { animation-delay: -4s; }
.features-grid .feature-card:nth-child(4) { animation-delay: -3s; }
.features-grid .feature-card:nth-child(5) { animation-delay: -2s; }
.features-grid .feature-card:nth-child(6) { animation-delay: -1s; }

.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--purple), transparent);
    opacity: 0;
    transition: opacity .2s;
}

.feature-card:hover { transform: translateY(-2px); }
.feature-card:hover::before { opacity: 1; }

.feature-title {
    font-size: .95rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: .5rem;
    letter-spacing: -.01em;
}

.feature-body {
    font-size: .83rem;
    color: var(--slate);
    line-height: 1.65;
}

/* ─── Lifecycle strip ───────────────────────────────────────── */

.lifecycle {
    position: relative;
    z-index: 1;
    padding: 2rem 2rem 6rem;
    max-width: 1100px;
    margin: 0 auto;
}

.lifecycle-steps {
    display: flex;
    align-items: stretch;
    gap: 0;
    flex-wrap: wrap;
}

.lifecycle-step {
    flex: 1;
    min-width: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
}

.lifecycle-step:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -10px;
    top: 18px;
    color: var(--navy-border);
    font-size: 1rem;
    z-index: 2;
}

.lifecycle-pill {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .4rem 1rem;
    border-radius: 99px;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .05em;
    text-transform: uppercase;
    margin-bottom: .6rem;
}

.pill-pending    { background: rgba(148,163,184,.12); color: #94a3b8; border: 1px solid rgba(148,163,184,.25); }
.pill-processing { background: rgba(245,158,11,.1);  color: #fbbf24; border: 1px solid rgba(245,158,11,.25); }
.pill-done       { background: rgba(16,185,129,.1);  color: #34d399; border: 1px solid rgba(16,185,129,.25); }
.pill-failed     { background: rgba(239,68,68,.1);   color: #f87171; border: 1px solid rgba(239,68,68,.25); }

.lifecycle-desc {
    font-size: .75rem;
    color: var(--slate);
    line-height: 1.5;
    padding: 0 .5rem;
}

/* ─── Footer ────────────────────────────────────────────────── */

footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid rgba(255,255,255,.06);
    padding: 2rem 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--slate);
    text-decoration: none;
}

.footer-brand .nav-dot { box-shadow: none; }

.footer-by {
    font-size: .78rem;
    color: var(--slate);
}

.footer-by a {
    color: var(--purple-light);
    text-decoration: none;
    font-weight: 600;
    transition: color .15s;
}

.footer-by a:hover { color: #c084fc; }

/* ─── Divider ───────────────────────────────────────────────── */

.section-divider {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    border-top: 1px solid rgba(255,255,255,.06);
}

/* ─── Contact page ──────────────────────────────────────────── */

.contact-page {
    position: relative;
    z-index: 1;
    min-height: calc(100vh - 72px);
    padding: 5rem 2.5rem 5rem;
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
}

.contact-glow {
    position: fixed;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 500px;
    background: radial-gradient(ellipse at center, rgba(124,58,237,.13) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

/* ── Split layout ── */

.contact-split {
    display: grid;
    grid-template-columns: 1fr 480px;
    gap: 5rem;
    align-items: start;
    width: 100%;
}

/* ── Left: info ── */

.contact-info { padding-top: .5rem; }

.contact-headline {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    letter-spacing: -.04em;
    line-height: 1.1;
    color: var(--white);
    margin: .75rem 0 1.25rem;
}

.contact-intro {
    font-size: .98rem;
    color: var(--slate);
    line-height: 1.75;
    max-width: 440px;
    margin-bottom: 2.5rem;
}

.contact-perks {
    list-style: none;
    padding: 0;
    margin: 0 0 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-perks li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.perk-icon {
    font-size: 1.1rem;
    width: 36px;
    height: 36px;
    background: rgba(124,58,237,.12);
    border: 1px solid rgba(124,58,237,.22);
    border-radius: .45rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: .1rem;
}

.contact-perks li div {
    display: flex;
    flex-direction: column;
    gap: .2rem;
}

.contact-perks strong {
    font-size: .875rem;
    font-weight: 700;
    color: var(--white);
}

.contact-perks span {
    font-size: .82rem;
    color: var(--slate);
    line-height: 1.5;
}

.contact-alt {
    font-size: .82rem;
    color: var(--slate);
    border-top: 1px solid rgba(255,255,255,.07);
    padding-top: 1.5rem;
    margin: 0;
}

.contact-alt a {
    color: var(--purple-light);
    text-decoration: none;
    font-weight: 600;
}

.contact-alt a:hover { color: #c084fc; }

/* ── Right: form ── */

.contact-form-wrap {
    background: rgba(255,255,255,.03);
    border: 1px solid rgba(255,255,255,.09);
    border-radius: 1rem;
    padding: 2.25rem;
    box-shadow: 0 24px 64px rgba(0,0,0,.3);
}

.contact-form-error {
    background: rgba(239,68,68,.1);
    border: 1px solid rgba(239,68,68,.3);
    border-radius: .45rem;
    padding: .65rem .9rem;
    font-size: .82rem;
    font-weight: 600;
    color: #f87171;
    margin-bottom: 1.25rem;
}

.contact-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.contact-field {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.1rem;
}

.contact-field label {
    font-size: .78rem;
    font-weight: 600;
    color: var(--slate-light);
    margin-bottom: .4rem;
    letter-spacing: .01em;
}

.optional { font-weight: 400; color: var(--slate); }

.contact-field input,
.contact-field textarea {
    background: rgba(255,255,255,.05);
    border: 1.5px solid rgba(255,255,255,.1);
    border-radius: .45rem;
    padding: .65rem .9rem;
    font-family: inherit;
    font-size: .875rem;
    color: var(--white);
    outline: none;
    transition: border-color .15s, box-shadow .15s;
    resize: vertical;
}

.contact-field input::placeholder,
.contact-field textarea::placeholder { color: #475569; }

.contact-field input:focus,
.contact-field textarea:focus {
    border-color: var(--purple);
    box-shadow: 0 0 0 3px rgba(124,58,237,.15);
}

.contact-field.has-error input,
.contact-field.has-error textarea { border-color: #ef4444; }

.field-error {
    font-size: .75rem;
    color: #f87171;
    margin-top: .35rem;
}

.contact-submit { width: 100%; justify-content: center; padding: .8rem; margin-top: .25rem; }

.contact-privacy {
    font-size: .72rem;
    color: #475569;
    text-align: center;
    margin: .9rem 0 0;
    line-height: 1.5;
}

/* ── Success state ── */

.contact-success-wrap {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 480px;
    margin: 0 auto;
    padding: 4rem 0;
}

.contact-success-icon {
    width: 56px;
    height: 56px;
    background: rgba(16,185,129,.12);
    border: 1.5px solid rgba(16,185,129,.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #34d399;
    margin-bottom: 1.5rem;
}

.contact-title {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -.03em;
    color: var(--white);
    margin-bottom: .75rem;
}

.contact-sub {
    font-size: .95rem;
    color: var(--slate);
    line-height: 1.7;
}

@media (max-width: 900px) {
    .contact-split { grid-template-columns: 1fr; gap: 3rem; }
    .contact-page  { padding: 5rem 1.5rem 4rem; }
}

@media (max-width: 480px) {
    .contact-row         { grid-template-columns: 1fr; }
    .contact-form-wrap   { padding: 1.5rem 1.25rem; }
}

/* ─── Error page ────────────────────────────────────────────── */

.error-page {
    position: relative;
    z-index: 1;
    min-height: calc(100vh - 140px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 7rem 2rem 5rem;
    overflow: hidden;
}

.error-glow {
    position: absolute;
    top: -80px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse at center, rgba(124,58,237,.18) 0%, transparent 70%);
    pointer-events: none;
}

.error-code {
    font-size: clamp(6rem, 18vw, 12rem);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -.06em;
    background: linear-gradient(135deg, rgba(255,255,255,.12) 0%, rgba(255,255,255,.04) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: .25rem;
    user-select: none;
}

.error-title {
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 800;
    letter-spacing: -.03em;
    color: var(--white);
    margin-bottom: .9rem;
}

.error-sub {
    font-size: .98rem;
    color: var(--slate);
    max-width: 420px;
    line-height: 1.7;
    margin-bottom: 2.5rem;
}

.error-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

@media (max-width: 640px) {
    nav { padding: 1rem 1.25rem; }
    .hero { padding: 6rem 1.25rem 4rem; }
    .section { padding: 4rem 1.25rem; }
    .lifecycle { padding: 2rem 1.25rem 4rem; }
    footer { padding: 1.5rem 1.25rem; }
    .lifecycle-step:not(:last-child)::after { display: none; }
    .lifecycle-steps { gap: 1rem; }
}