/* ══════════════════════════════════════════════════════════
   Doutorpcs — IT services site
   Palette: deep blue + teal (professional, modern, not gamer-RGB)
   ══════════════════════════════════════════════════════════ */

:root {
    --primary: #3b82f6;        /* blue-500 */
    --primary-dark: #2563eb;   /* blue-600 */
    --secondary: #0ea5e9;      /* sky-500 */
    --accent: #14b8a6;         /* teal-500 */
    --accent-glow: rgba(20, 184, 166, 0.5);
    --dark: #06080f;
    --dark-2: #0b0f1a;
    --card-bg: #0f1424;
    --card-bg-2: #131a2e;
    --text: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: rgba(148, 163, 184, 0.1);
    --border-strong: rgba(148, 163, 184, 0.2);
    --shadow-glow: 0 8px 32px rgba(59, 130, 246, 0.25);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

a { color: inherit; }

/* ── Navbar ──────────────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 900;
    background: rgba(6, 8, 15, 0.78);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    transition: background 0.3s, box-shadow 0.3s, padding 0.3s;
}

.navbar.scrolled {
    background: rgba(6, 8, 15, 0.96);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #fff;
    text-decoration: none;
    flex-shrink: 0;
}

.brand-mark {
    width: 36px;
    height: 36px;
    display: inline-grid;
    place-items: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 10px;
    font-size: 1rem;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.4);
}

.logo-text {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 8px;
    transition: color 0.2s, background 0.2s;
}

.nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 10px;
    margin-left: 10px;
    transition: opacity 0.2s, box-shadow 0.2s, transform 0.2s;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

.nav-cta:hover {
    opacity: 0.95;
    box-shadow: 0 6px 22px rgba(59, 130, 246, 0.5);
    transform: translateY(-1px);
}

.nav-mobile-toggle {
    display: none;
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.75);
    border-radius: 10px;
    width: 42px;
    height: 42px;
    cursor: pointer;
    font-size: 1rem;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.nav-mobile-toggle:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
}

.nav-mobile-menu {
    display: none;
    flex-direction: column;
    padding: 12px 24px 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    gap: 4px;
}

.nav-mobile-menu.open { display: flex; }
.nav-mobile-menu .nav-link { padding: 12px 14px; }

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 100px 24px 60px;
}

.hero-bg {
    position: absolute;
    inset: -50px;
    background: linear-gradient(-45deg, #06080f, #0a1228, #051023, #081a30, #06080f);
    background-size: 400% 400%;
    animation: gradientShift 18s ease infinite;
    z-index: 0;
}

@keyframes gradientShift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    pointer-events: none;
    z-index: 1;
}

.hero-orb--1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.22) 0%, transparent 70%);
    top: -120px;
    left: -120px;
    animation: orbFloat 14s ease-in-out infinite;
}

.hero-orb--2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.18) 0%, transparent 70%);
    bottom: -80px;
    right: -100px;
    animation: orbFloat 16s ease-in-out infinite reverse;
}

.hero-orb--3 {
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.14) 0%, transparent 70%);
    top: 55%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: orbFloat 20s ease-in-out infinite;
}

@keyframes orbFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50%      { transform: translateY(-30px) scale(1.06); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 820px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(20, 184, 166, 0.12);
    border: 1px solid rgba(20, 184, 166, 0.3);
    border-radius: 999px;
    padding: 7px 18px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.04em;
    margin-bottom: 28px;
}

.hero-badge i { color: #fbbf24; }

.hero-title {
    font-size: clamp(2.4rem, 6vw, 4.8rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 22px;
}

.highlight {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    max-width: 620px;
    margin: 0 auto 38px;
}

.hero-stats {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 20px 32px;
    margin-bottom: 38px;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 28px;
}

.hero-stat__num {
    font-size: 1.9rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff, rgba(255, 255, 255, 0.65));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.hero-stat__label {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 8px;
}

.hero-stat-divider {
    width: 1px;
    height: 42px;
    background: rgba(255, 255, 255, 0.1);
}

.hero-actions {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 12px;
    box-shadow: 0 8px 28px rgba(59, 130, 246, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(59, 130, 246, 0.55);
    color: #fff;
}

.hero-cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    padding: 14px 28px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    transition: background 0.2s, border-color 0.2s;
}

.hero-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.09);
    border-color: rgba(255, 255, 255, 0.25);
    color: #fff;
}

.hero-scroll-hint {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0.4;
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
}

.scroll-mouse {
    width: 22px;
    height: 34px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.scroll-wheel {
    width: 3px;
    height: 6px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 2px;
    animation: scrollBounce 1.8s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    60%      { transform: translateY(8px); opacity: 0.3; }
}

/* ── Sections (shared) ───────────────────────────────────── */
section {
    position: relative;
}

.section-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 32px;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 64px;
}

.section-label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(20, 184, 166, 0.08);
    border: 1px solid rgba(20, 184, 166, 0.22);
    border-radius: 999px;
    padding: 6px 14px;
    margin-bottom: 18px;
}

.section-title {
    font-size: clamp(1.9rem, 4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 14px;
    line-height: 1.2;
}

.section-sub {
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.05rem;
    line-height: 1.7;
    margin: 0 auto;
}

/* ── Serviços ─────────────────────────────────────────────── */
.services-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 50% at 50% 50%, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px 28px;
    transition: border-color 0.3s, transform 0.3s, background 0.3s;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.6), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.service-card:hover {
    border-color: rgba(59, 130, 246, 0.35);
    background: var(--card-bg-2);
    transform: translateY(-4px);
}

.service-card:hover::before { opacity: 1; }

.service-icon {
    width: 52px;
    height: 52px;
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 22px;
}

.service-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #fff;
}

.service-card p {
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.7;
    margin: 0;
}

/* ── Processo ─────────────────────────────────────────────── */
.process-section {
    background: linear-gradient(180deg, transparent, rgba(11, 15, 26, 0.5) 50%, transparent);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.process-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px 24px;
    position: relative;
    transition: border-color 0.3s, transform 0.3s;
}

.process-card:hover {
    border-color: rgba(20, 184, 166, 0.3);
    transform: translateY(-4px);
}

.process-step {
    font-size: 2.2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
    font-family: 'Inter', sans-serif;
    letter-spacing: -1px;
}

.process-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #fff;
}

.process-card p {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
    margin: 0;
}

/* ── Builds Gallery ───────────────────────────────────────── */
.builds-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.build-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: border-color 0.3s, transform 0.3s;
    display: flex;
    flex-direction: column;
}

.build-card:hover {
    border-color: rgba(59, 130, 246, 0.35);
    transform: translateY(-4px);
}

.build-img {
    height: 200px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(20, 184, 166, 0.08));
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.25);
    font-size: 3.5rem;
    overflow: hidden;
}

.build-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.build-card:hover .build-img img {
    transform: scale(1.04);
}

.build-body {
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.build-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
}

.build-rating {
    color: #fbbf24;
    font-size: 0.95rem;
    letter-spacing: 0.08em;
}

.build-body p {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.9rem;
    line-height: 1.65;
    font-style: italic;
    flex: 1;
}

.build-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 4px;
}

.build-tags span {
    background: rgba(20, 184, 166, 0.1);
    border: 1px solid rgba(20, 184, 166, 0.2);
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 999px;
    letter-spacing: 0.02em;
}

/* ── Antes vs Depois ─────────────────────────────────────── */
.comparison-section {
    background: linear-gradient(180deg, transparent, rgba(11, 15, 26, 0.5) 50%, transparent);
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 56px;
}

.comparison-row:last-child { margin-bottom: 0; }

.comparison-row--reverse .comparison-visual { order: 2; }
.comparison-row--reverse .comparison-text { order: 1; }

.comparison-visual {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 16px;
    align-items: center;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px 24px;
}

.comparison-side {
    text-align: center;
    padding: 18px 8px;
}

.comparison-side--before { color: rgba(255, 255, 255, 0.5); }
.comparison-side--after { color: var(--accent); }

.comparison-label {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: 999px;
    margin-bottom: 12px;
}

.comparison-side--before .comparison-label {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.comparison-side--after .comparison-label {
    background: rgba(20, 184, 166, 0.12);
    border: 1px solid rgba(20, 184, 166, 0.3);
}

.comparison-metric {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1px;
    margin-bottom: 6px;
}

.comparison-side--after .comparison-metric {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.comparison-sub {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.04em;
}

.comparison-arrow {
    color: rgba(255, 255, 255, 0.25);
    font-size: 1.1rem;
}

.comparison-text h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #fff;
}

.comparison-text p {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.98rem;
    line-height: 1.7;
}

/* ── Contacto ─────────────────────────────────────────────── */
.contact-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 50% at 50% 50%, rgba(20, 184, 166, 0.04) 0%, transparent 70%);
    pointer-events: none;
}

.contact-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 32px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.contact-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 22px;
    transition: border-color 0.2s;
}

.contact-card:hover {
    border-color: rgba(20, 184, 166, 0.3);
}

.contact-icon {
    width: 38px;
    height: 38px;
    background: rgba(20, 184, 166, 0.12);
    border: 1px solid rgba(20, 184, 166, 0.22);
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.contact-card h3 {
    font-size: 0.85rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.contact-card p,
.contact-card a {
    color: var(--text);
    font-size: 0.98rem;
    line-height: 1.5;
    margin: 0;
    text-decoration: none;
    font-weight: 500;
}

.contact-card a:hover {
    color: var(--accent);
}

.contact-card__hint {
    color: rgba(255, 255, 255, 0.4) !important;
    font-size: 0.82rem !important;
    font-weight: 400 !important;
    margin-top: 4px !important;
}

.contact-form-wrap {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 36px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.55);
}

.form-group input,
.form-group textarea {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 13px 16px;
    color: var(--text);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
    outline: none;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.22);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background: rgba(255, 255, 255, 0.05);
}

.submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    align-self: flex-start;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    border: none;
    padding: 14px 32px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.98rem;
    font-family: inherit;
    cursor: pointer;
    transition: opacity 0.2s, box-shadow 0.2s, transform 0.2s;
    box-shadow: 0 4px 18px rgba(59, 130, 246, 0.3);
}

.submit-btn:hover {
    opacity: 0.95;
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(59, 130, 246, 0.45);
}

.form-feedback {
    display: flex;
    align-items: center;
    gap: 12px;
    border-radius: 10px;
    padding: 14px 18px;
    font-size: 0.92rem;
    margin-top: 8px;
}

.form-feedback[hidden] { display: none; }

.form-feedback--success {
    background: rgba(20, 184, 166, 0.1);
    border: 1px solid rgba(20, 184, 166, 0.3);
    color: var(--accent);
}

.form-feedback--error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

/* ── Footer ──────────────────────────────────────────────── */
.footer-section {
    background: linear-gradient(180deg, transparent 0%, rgba(6, 8, 15, 0.6) 20%, var(--dark) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 64px 0 0 0;
    margin-top: 40px;
    position: relative;
    overflow: hidden;
}

.footer-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 640px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
}

.footer-brand .footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-decoration: none;
    color: #fff;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.92rem;
    line-height: 1.7;
    max-width: 320px;
}

.footer-col h5 {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 18px;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col ul li a,
.footer-col ul li span {
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    font-size: 0.92rem;
    transition: color 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-col ul li a:hover { color: var(--accent); }
.footer-col ul li i {
    font-size: 0.8rem;
    color: var(--accent);
    opacity: 0.7;
    width: 14px;
    text-align: center;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 20px 0 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-bottom p {
    margin: 0;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.3);
}

/* ── Back to top ─────────────────────────────────────────── */
.back-to-top {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(6, 8, 15, 0.85);
    color: #fff;
    text-decoration: none;
    font-size: 1.2rem;
    box-shadow: 0 18px 35px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(12px);
    transition: transform 0.2s, opacity 0.2s, background 0.2s;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(10px);
    z-index: 99;
}

.back-to-top.visible {
    opacity: 0.92;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-2px);
    opacity: 1;
    background: rgba(59, 130, 246, 0.2);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
    .services-grid,
    .process-grid,
    .builds-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-brand { grid-column: 1 / -1; }

    .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-mobile-toggle { display: inline-flex; }
    .nav-inner { padding: 0 20px; }

    .section-inner { padding: 72px 20px; }

    .hero-title { letter-spacing: -1px; }
    .hero-stats { padding: 16px 18px; }
    .hero-stat { padding: 0 16px; }
    .hero-actions { width: 100%; }
    .hero-cta, .hero-cta-secondary { flex: 1; justify-content: center; }

    .services-grid,
    .process-grid,
    .builds-grid {
        grid-template-columns: 1fr;
    }

    .comparison-row,
    .comparison-row--reverse {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .comparison-row--reverse .comparison-visual { order: 1; }
    .comparison-row--reverse .comparison-text { order: 2; }

    .comparison-metric { font-size: 1.5rem; }

    .form-row { grid-template-columns: 1fr; }
    .contact-form-wrap { padding: 24px; }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-stat-divider { display: none; }
    .hero-stats {
        gap: 8px;
        flex-direction: column;
    }
    .hero-stat {
        flex-direction: row;
        gap: 10px;
        align-items: center;
        padding: 0;
    }
    .footer-grid { grid-template-columns: 1fr; }
}

/* ── Reduced motion ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
    .hero-bg { animation: none; }
    .hero-orb { animation: none; }
    .scroll-wheel { animation: none; }
}