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

:root {
    --bg: #09090b;
    --bg2: #0f0f13;
    --bg3: #141419;
    --card: #16161c;
    --card-h: #1c1c24;
    --text: #ececf1;
    --text2: #8e8ea0;
    --text3: #4e4e5a;
    --accent: #00d4aa;
    --accent2: #00f0c0;
    --accent-dim: rgba(0, 212, 170, 0.15);
    --accent-glow: rgba(0, 212, 170, 0.25);
    --accent-glow2: rgba(0, 212, 170, 0.4);
    --orange: #d4451a;
    --border: rgba(255,255,255,0.06);
    --border2: rgba(255,255,255,0.1);
    --r: 12px;
    --r2: 20px;
    --r3: 28px;
    --font: 'Inter', -apple-system, sans-serif;
    --mono: 'JetBrains Mono', 'Fira Code', monospace;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 28px; }
a { text-decoration: none; color: inherit; transition: 0.3s var(--ease); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ===== CURSOR GLOW ===== */
.cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    opacity: 0.15;
    transform: translate(-50%, -50%);
    transition: opacity 0.4s;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 34px;
    border-radius: 60px;
    font-weight: 600;
    font-size: 0.92rem;
    cursor: pointer;
    border: none;
    font-family: var(--font);
    transition: 0.3s var(--ease);
    position: relative;
}

.btn-glow {
    background: var(--accent);
    color: var(--bg);
    box-shadow: 0 0 24px var(--accent-glow);
}

.btn-glow:hover {
    background: var(--accent2);
    box-shadow: 0 0 40px var(--accent-glow2);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border2);
}

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-dim);
}

.btn-lg { padding: 18px 42px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ===== TAG ===== */
.tag {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-dim);
    border: 1px solid rgba(0,212,170,0.15);
    padding: 6px 16px;
    border-radius: 50px;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

/* ===== TEXT GLOW ===== */
.text-glow {
    color: var(--accent);
    text-shadow: 0 0 30px var(--accent-glow);
}

/* ===== NAV ===== */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 18px 0;
    transition: 0.3s var(--ease);
}

.nav.scrolled {
    background: rgba(9,9,11,0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
}

.nav-inner { display: flex; align-items: center; justify-content: space-between; }

.nav-logo { display: flex; align-items: center; gap: 8px; }
.nav-logo-img { height: 42px; filter: brightness(1.1); }
.nav-logo-tag, .footer-logo-tag {
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--bg);
    background: var(--accent);
    padding: 2px 8px;
    border-radius: 4px;
    letter-spacing: 2px;
}

.nav-menu { display: flex; align-items: center; gap: 32px; }
.nav-menu a { color: var(--text2); font-size: 0.88rem; font-weight: 500; }
.nav-menu a:hover { color: var(--text); }

.nav-btn {
    background: var(--accent) !important;
    color: var(--bg) !important;
    padding: 10px 26px;
    border-radius: 50px;
    font-weight: 600 !important;
}

.nav-btn:hover {
    background: var(--accent2) !important;
    box-shadow: 0 0 20px var(--accent-glow);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 101;
}

.nav-toggle span { width: 26px; height: 2px; background: var(--text); transition: 0.3s; border-radius: 2px; }

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-terminal {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--bg3);
    border: 1px solid var(--border);
    padding: 10px 20px;
    border-radius: 10px;
    margin-bottom: 24px;
}

.terminal-dots { display: flex; gap: 6px; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }

.terminal-text { font-family: var(--mono); font-size: 0.82rem; }
.t-gray { color: var(--text3); }
.t-green { color: var(--accent); }
.t-cyan { color: #22d3ee; }

.hero h1 {
    font-size: clamp(2.4rem, 4.5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.hero-desc {
    color: var(--text2);
    font-size: 1.08rem;
    max-width: 500px;
    line-height: 1.8;
    margin-bottom: 36px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }

.hero-metrics { display: flex; align-items: center; gap: 32px; }
.metric { text-align: center; }
.metric-val {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1;
}
.metric-unit {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent);
}
.metric-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text3);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 6px;
    font-weight: 600;
}
.metric-sep { width: 1px; height: 36px; background: var(--border2); }

/* CODE WINDOW */
.code-window {
    background: var(--bg3);
    border: 1px solid var(--border2);
    border-radius: var(--r2);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 40px var(--accent-glow);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 20px;
    background: rgba(255,255,255,0.02);
    border-bottom: 1px solid var(--border);
}

.code-dots { display: flex; gap: 6px; }
.code-filename { font-family: var(--mono); font-size: 0.78rem; color: var(--text3); }

.code-body {
    padding: 24px;
    font-family: var(--mono);
    font-size: 0.85rem;
    line-height: 1.9;
    color: var(--text2);
    overflow-x: auto;
}

.c-purple { color: #c084fc; }
.c-blue { color: #60a5fa; }
.c-green { color: var(--accent); }
.c-orange { color: #fb923c; }

/* ===== SECTIONS ===== */
.section { padding: 120px 0; position: relative; }

.section-head { text-align: center; margin-bottom: 60px; }
.section-head h2 {
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}
.section-sub { color: var(--text2); font-size: 1.05rem; max-width: 480px; margin: 0 auto; }

/* ===== ABOUT ===== */
.about { background: var(--bg2); }

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: center;
}

.about-content h2 {
    font-size: clamp(2rem, 3vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    line-height: 1.2;
}

.about-content p {
    color: var(--text2);
    font-size: 1rem;
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: 32px;
    margin-top: 32px;
}

.about-stat-num {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent);
}

.about-stat-text {
    font-size: 0.82rem;
    color: var(--text3);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-image { position: relative; }

.about-image img {
    border-radius: var(--r3);
    height: 450px;
    object-fit: cover;
    width: 100%;
}

.about-image-badge {
    position: absolute;
    bottom: -16px;
    left: 24px;
    background: var(--accent);
    color: var(--bg);
    padding: 12px 24px;
    border-radius: var(--r);
    font-weight: 700;
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 24px var(--accent-glow);
}

.badge-icon { font-family: var(--mono); font-size: 1.1rem; }

/* ===== STACK ===== */
.stack-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.stack-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--r2);
    padding: 36px 28px;
    transition: 0.3s var(--ease);
    text-align: center;
}

.stack-card:hover {
    border-color: var(--accent);
    background: var(--card-h);
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3), 0 0 20px var(--accent-glow);
}

.stack-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    border-radius: 14px;
    background: var(--accent-dim);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stack-icon svg { width: 26px; height: 26px; color: var(--accent); }

.stack-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 16px; }

.stack-tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }

.stack-tags span {
    padding: 4px 12px;
    border-radius: 50px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    font-size: 0.78rem;
    color: var(--text2);
    font-weight: 500;
}

/* ===== SERVICES ===== */
.services { background: var(--bg2); }

.services-list { display: flex; flex-direction: column; gap: 2px; }

.srv-item {
    display: grid;
    grid-template-columns: 60px 1fr auto 40px;
    gap: 28px;
    align-items: center;
    padding: 32px 28px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    transition: 0.3s var(--ease);
    cursor: pointer;
}

.srv-item:hover {
    background: var(--card-h);
    border-color: var(--border2);
    transform: translateX(8px);
}

.srv-item:hover .srv-arrow { color: var(--accent); }
.srv-item:hover .srv-num { color: var(--accent); }

a.srv-item { display: grid; }

.srv-num {
    font-family: var(--mono);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text3);
    transition: 0.3s;
}

.srv-content h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 4px; }
.srv-content p { color: var(--text2); font-size: 0.9rem; }

.srv-tags { display: flex; gap: 8px; }
.srv-tags span {
    padding: 4px 12px;
    border-radius: 50px;
    background: var(--accent-dim);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 600;
}

.srv-arrow { width: 24px; height: 24px; color: var(--text3); transition: 0.3s; }

/* ===== PROJECTS ===== */
.projects-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 20px;
}

.project-card {
    position: relative;
    border-radius: var(--r2);
    overflow: hidden;
    min-height: 300px;
    cursor: pointer;
}

.project-wide { grid-row: 1 / 3; }

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.5s var(--ease);
}

.project-card:hover .project-img { transform: scale(1.05); }

.project-info {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(9,9,11,0.95) 0%, rgba(9,9,11,0.4) 50%, transparent 100%);
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.project-tags { display: flex; gap: 8px; margin-bottom: 12px; }
.project-tags span {
    padding: 4px 12px;
    border-radius: 50px;
    background: var(--accent);
    color: var(--bg);
    font-size: 0.72rem;
    font-weight: 700;
}

.project-info h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 6px; }
.project-info p { color: var(--text2); font-size: 0.88rem; }

/* ===== PROCESS ===== */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}

.process-step {
    text-align: center;
    position: relative;
    padding-top: 48px;
}

.process-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 16px var(--accent-glow2);
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.process-line {
    position: absolute;
    top: 7px;
    left: 50%;
    width: calc(100% + 24px);
    height: 2px;
    background: var(--border2);
    z-index: 1;
}

.process-step:last-child .process-line { display: none; }

.process-num {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--accent);
    font-weight: 700;
    display: block;
    margin-bottom: 8px;
}

.process-content h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.process-content p { color: var(--text2); font-size: 0.88rem; }

/* ===== TEAM ===== */
.team { background: var(--bg2); }

.team-banner {
    position: relative;
    border-radius: var(--r3);
    overflow: hidden;
    margin-bottom: 24px;
}

.team-img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    object-position: top;
}

.team-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(9,9,11,0.88);
    backdrop-filter: blur(16px);
    padding: 24px 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
}

.team-stat { text-align: center; }
.team-stat-label { display: block; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 2px; color: var(--text3); font-weight: 600; }
.team-stat-val { font-size: 1rem; font-weight: 600; }
.team-stat-sep { width: 1px; height: 32px; background: var(--border2); }

.status-online { display: flex; align-items: center; gap: 8px; color: var(--accent); }
.online-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }

@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }

.team-images-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.team-sub-img { position: relative; border-radius: var(--r2); overflow: hidden; }
.team-sub-img img { width: 100%; height: 300px; object-fit: cover; }
.team-sub-caption {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: rgba(9,9,11,0.8);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text);
}

/* ===== CTA ===== */
.cta-box {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: var(--r3);
    padding: 80px 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    opacity: 0.3;
}

.cta-code {
    font-family: var(--mono);
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 16px;
    text-shadow: 0 0 40px var(--accent-glow2);
    position: relative;
}

.cta-box h2 {
    font-size: clamp(2rem, 3vw, 2.6rem);
    font-weight: 800;
    margin-bottom: 12px;
    position: relative;
}

.cta-box p {
    color: var(--text2);
    font-size: 1.05rem;
    margin-bottom: 32px;
    position: relative;
}

/* ===== CONTACT ===== */
.contact { background: var(--bg2); }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: start;
}

.contact-left h2 {
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 800;
    margin-bottom: 16px;
}

.contact-left > p {
    color: var(--text2);
    font-size: 1.02rem;
    line-height: 1.8;
    margin-bottom: 36px;
}

.contact-links { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }

.contact-link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    transition: 0.3s;
}

.contact-link:hover {
    border-color: var(--accent);
    background: var(--card-h);
}

.contact-link-icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    background: var(--accent-dim);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}

.contact-link-icon svg { width: 20px; height: 20px; color: var(--accent); }

.cl-label { display: block; font-size: 0.75rem; color: var(--text3); text-transform: uppercase; letter-spacing: 1px; font-weight: 600; }
.cl-value { font-size: 0.95rem; font-weight: 500; }

.contact-socials { display: flex; gap: 12px; }

.social {
    width: 44px; height: 44px;
    border-radius: 12px;
    background: var(--card);
    border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    transition: 0.3s;
}

.social:hover {
    border-color: var(--accent);
    background: var(--accent-dim);
    transform: translateY(-3px);
}

.social svg { width: 20px; height: 20px; color: var(--text2); }
.social:hover svg { color: var(--accent); }

/* FORM */
.form {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--r2);
    padding: 36px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.form input, .form textarea, .form select {
    width: 100%;
    padding: 15px 20px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--r);
    color: var(--text);
    font-family: var(--font);
    font-size: 0.92rem;
    transition: 0.3s;
    outline: none;
    appearance: none;
}

.form select {
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23555' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form input:focus, .form textarea:focus, .form select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form input::placeholder, .form textarea::placeholder { color: var(--text3); }
.form textarea { resize: vertical; min-height: 110px; }

/* ===== FOOTER ===== */
.footer {
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 56px 0 28px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 2.5fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-logo-row { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.footer-logo { height: 38px; filter: brightness(1.1); }

.footer-brand p { color: var(--text3); font-size: 0.88rem; line-height: 1.7; max-width: 280px; }

.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }

.footer-col h4 {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
    color: var(--text);
}

.footer-col a { display: block; color: var(--text3); font-size: 0.88rem; margin-bottom: 10px; }
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    color: var(--text3);
}

.footer-made { font-family: var(--mono); }

/* ===== REVEAL ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: 0.7s var(--ease); }
.reveal.active { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero-inner, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
    .hero-right { display: none; }
    .stack-grid { grid-template-columns: repeat(2, 1fr); }
    .projects-grid { grid-template-columns: 1fr; grid-template-rows: auto; }
    .project-wide { grid-row: auto; }
    .process-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-top { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-menu {
        position: fixed; top: 0; right: -100%;
        width: 300px; height: 100vh;
        background: var(--bg2);
        flex-direction: column;
        padding: 100px 32px;
        gap: 20px;
        border-left: 1px solid var(--border);
        transition: 0.3s;
    }
    .nav-menu.active { right: 0; }
    .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

    .section { padding: 80px 0; }
    .cursor-glow { display: none; }
    .stack-grid { grid-template-columns: 1fr; }
    .process-grid { grid-template-columns: 1fr; }
    .process-line { display: none; }
    .srv-item { grid-template-columns: 1fr; gap: 12px; }
    .srv-num { font-size: 0.9rem; }
    .srv-tags { flex-wrap: wrap; }
    .srv-arrow { display: none; }
    .team-img { height: 320px; }
    .team-bar { flex-wrap: wrap; gap: 20px; padding: 20px; }
    .team-stat-sep { display: none; }
    .team-images-row { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .about-stats { flex-direction: column; gap: 20px; }
    .hero-metrics { flex-direction: column; gap: 16px; }
    .metric-sep { width: 60px; height: 1px; }
    .footer-cols { grid-template-columns: 1fr; gap: 24px; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
    .cta-box { padding: 48px 24px; }
}

@media (max-width: 480px) {
    .hero-actions { flex-direction: column; }
    .btn { width: 100%; justify-content: center; }
    .form { padding: 24px 18px; }
}