/*
Theme Name: IMPERA Hitung Struktur
Theme URI: https://example.com/impera-hitung-struktur
Author: IMPERA
Author URI: https://example.com
Description: Custom one-page WordPress theme untuk landing page jasa perhitungan dan analisis struktur bangunan IMPERA Hitung Struktur.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: impera-hitung-struktur
*/

:root {
    --navy: #060d1f;
    --navy-mid: #0c1a35;
    --navy-light: #112244;
    --blue: #1a6ef7;
    --blue-glow: #3d8cff;
    --cyan: #00d4ff;
    --white: #f0f4ff;
    --gray: #8899bb;
    --glass-bg: rgba(17, 34, 68, 0.55);
    --glass-border: rgba(61, 140, 255, 0.18);
    --card-bg: rgba(10, 20, 45, 0.75);
    --promo-red: #ff4d6d;
    --green: #00e5a0;
    --font-display: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
  }

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

  html { scroll-behavior: smooth; }

  body {
    background: var(--navy);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    overflow-x: hidden;
  }

  /* ── LOADING ── */
  #loader {
    position: fixed; inset: 0;
    background: var(--navy);
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    z-index: 9999;
    transition: opacity .6s ease, visibility .6s ease;
  }
  #loader.hidden { opacity: 0; visibility: hidden; }
  .loader-logo {
    font-family: var(--font-display);
    font-weight: 800; font-size: 1.8rem;
    letter-spacing: 4px;
    color: var(--white);
    margin-bottom: 2rem;
  }
  .loader-logo span { color: var(--cyan); }
  .loader-bar {
    width: 220px; height: 3px;
    background: rgba(255,255,255,.1);
    border-radius: 99px; overflow: hidden;
  }
  .loader-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--blue), var(--cyan));
    border-radius: 99px;
    animation: fill 1.8s cubic-bezier(.4,0,.2,1) forwards;
  }
  @keyframes fill { from { width: 0 } to { width: 100% } }
  .loader-text {
    margin-top: 1rem;
    font-family: var(--font-mono);
    font-size: .75rem;
    color: var(--gray);
    letter-spacing: 2px;
    animation: blink 1s infinite;
  }
  @keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }

  /* ── GRID BG ── */
  #grid-canvas {
    position: fixed; inset: 0;
    pointer-events: none; z-index: 0;
    opacity: .45;
  }

  /* ── NAVBAR ── */
  nav {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 1.25rem 5%;
    display: flex; align-items: center; justify-content: space-between;
    transition: background .4s, box-shadow .4s, backdrop-filter .4s;
  }
  nav.solid {
    background: rgba(6, 13, 31, .92);
    backdrop-filter: blur(18px);
    box-shadow: 0 2px 30px rgba(0,0,0,.4);
    border-bottom: 1px solid var(--glass-border);
  }
  .nav-brand {
    font-family: var(--font-display);
    font-weight: 800; font-size: 1.15rem;
    letter-spacing: 2px; color: var(--white);
    text-decoration: none;
  }
  .nav-brand span { color: var(--cyan); }
  .nav-links { display: flex; gap: 2rem; list-style: none; }
  .nav-links a {
    color: var(--gray); text-decoration: none;
    font-size: .875rem; font-weight: 500;
    transition: color .2s;
  }
  .nav-links a:hover { color: var(--cyan); }
  .nav-cta {
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    color: #fff; border: none; border-radius: 8px;
    padding: .6rem 1.4rem; font-size: .875rem; font-weight: 600;
    cursor: pointer; text-decoration: none;
    box-shadow: 0 0 20px rgba(0,212,255,.25);
    transition: box-shadow .3s, transform .2s;
  }
  .nav-cta:hover {
    box-shadow: 0 0 35px rgba(0,212,255,.5);
    transform: translateY(-1px);
  }
  .nav-hamburger { display: none; cursor: pointer; color: var(--white); font-size: 1.4rem; }
  .nav-mobile { display: none; }

  /* ── HERO ── */
  #hero {
    position: relative; z-index: 1;
    min-height: 100vh;
    display: flex; align-items: center;
    padding: 120px 5% 80px;
    overflow: hidden;
  }
  .hero-inner {
    max-width: 760px;
    opacity: 0; transform: translateY(30px);
    animation: heroIn 1s .3s forwards;
  }
  @keyframes heroIn { to { opacity:1; transform:translateY(0) } }

  .hero-badge {
    display: inline-flex; align-items: center; gap: .5rem;
    background: rgba(0,212,255,.1);
    border: 1px solid rgba(0,212,255,.3);
    padding: .4rem 1rem; border-radius: 99px;
    font-family: var(--font-mono); font-size: .72rem;
    color: var(--cyan); letter-spacing: 2px; text-transform: uppercase;
    margin-bottom: 1.5rem;
  }
  .hero-badge::before {
    content: ''; width: 6px; height: 6px;
    border-radius: 50%; background: var(--cyan);
    animation: pulse 1.5s infinite;
  }
  @keyframes pulse { 0%,100%{box-shadow:0 0 0 0 rgba(0,212,255,.6)} 50%{box-shadow:0 0 0 8px rgba(0,212,255,0)} }

  .hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.6rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
  }
  .hero-title span { color: var(--cyan); }
  .hero-title em {
    font-style: normal;
    background: linear-gradient(90deg, var(--blue), var(--cyan));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  }

  .hero-desc {
    color: var(--gray); font-size: 1.1rem;
    max-width: 560px; margin-bottom: 1rem;
  }

  .hero-tags {
    display: flex; flex-wrap: wrap; gap: .5rem;
    margin-bottom: 2.5rem;
  }
  .hero-tag {
    background: rgba(26,110,247,.12);
    border: 1px solid rgba(26,110,247,.25);
    color: #7eb3ff; border-radius: 6px;
    padding: .3rem .8rem; font-size: .8rem;
    font-family: var(--font-mono);
  }

  .hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }
  .btn-primary {
    display: inline-flex; align-items: center; gap: .6rem;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    color: #fff; text-decoration: none; border-radius: 10px;
    padding: .85rem 2rem; font-weight: 600; font-size: 1rem;
    box-shadow: 0 0 30px rgba(0,212,255,.3), 0 0 60px rgba(26,110,247,.2);
    transition: box-shadow .3s, transform .2s;
  }
  .btn-primary:hover {
    box-shadow: 0 0 50px rgba(0,212,255,.55), 0 0 90px rgba(26,110,247,.35);
    transform: translateY(-2px);
  }
  .btn-secondary {
    display: inline-flex; align-items: center; gap: .6rem;
    background: transparent;
    border: 1.5px solid rgba(0,212,255,.35);
    color: var(--cyan); text-decoration: none; border-radius: 10px;
    padding: .85rem 2rem; font-weight: 600; font-size: 1rem;
    transition: background .3s, border-color .3s, transform .2s;
  }
  .btn-secondary:hover {
    background: rgba(0,212,255,.08);
    border-color: var(--cyan);
    transform: translateY(-2px);
  }

  /* ── SCROLL INDICATOR ── */
  .scroll-ind {
    position: absolute; bottom: 2rem; left: 50%;
    transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: .5rem;
    color: var(--gray); font-size: .7rem;
    letter-spacing: 2px; text-transform: uppercase;
    font-family: var(--font-mono);
    animation: scrollBounce 2s infinite;
  }
  @keyframes scrollBounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(8px)} }
  .scroll-ind i { font-size: 1.1rem; color: var(--cyan); }

  /* ── SECTIONS ── */
  section {
    position: relative; z-index: 1;
    padding: 100px 5%;
  }
  .section-label {
    font-family: var(--font-mono); font-size: .72rem;
    color: var(--cyan); letter-spacing: 3px;
    text-transform: uppercase; margin-bottom: .75rem;
  }
  .section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700; line-height: 1.2;
    margin-bottom: 1rem;
  }
  .section-title span { color: var(--cyan); }
  .section-desc {
    color: var(--gray); max-width: 560px;
    font-size: 1rem; margin-bottom: 3.5rem;
  }

  /* ── PRICING SECTION ── */
  #pricing { background: linear-gradient(180deg, var(--navy) 0%, var(--navy-mid) 100%); }

  .pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.75rem;
    max-width: 1100px;
  }

  .pricing-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(24px);
    position: relative; overflow: hidden;
    transition: transform .35s, box-shadow .35s, border-color .35s;
    cursor: default;
  }
  .pricing-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--blue), var(--cyan));
    border-radius: 20px 20px 0 0;
  }
  .pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0,0,0,.4), 0 0 30px rgba(61,140,255,.15);
    border-color: rgba(0,212,255,.35);
  }

  .card-featured .pricing-card {
    border-color: rgba(0,212,255,.4);
    box-shadow: 0 0 40px rgba(0,212,255,.12);
  }
  .card-featured .pricing-card::before {
    background: linear-gradient(90deg, var(--cyan), #00ff99);
    height: 4px;
  }

  .featured-badge {
    position: absolute; top: 1.2rem; right: 1.2rem;
    background: linear-gradient(135deg, var(--cyan), #00ff99);
    color: #060d1f; font-size: .65rem; font-weight: 700;
    letter-spacing: 1px; text-transform: uppercase;
    padding: .3rem .75rem; border-radius: 99px;
  }

  .card-icon {
    width: 52px; height: 52px;
    background: linear-gradient(135deg, rgba(26,110,247,.2), rgba(0,212,255,.1));
    border: 1px solid rgba(0,212,255,.2);
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; color: var(--cyan);
    margin-bottom: 1.25rem;
  }

  .card-type {
    font-family: var(--font-mono); font-size: .7rem;
    color: var(--gray); letter-spacing: 2px; text-transform: uppercase;
    margin-bottom: .35rem;
  }
  .card-name {
    font-family: var(--font-display); font-size: 1.35rem;
    font-weight: 700; margin-bottom: 1.25rem;
    line-height: 1.3;
  }

  .price-block { margin-bottom: 1.5rem; }
  .price-original {
    font-size: .95rem; color: var(--gray);
    text-decoration: line-through;
    font-family: var(--font-mono);
    margin-bottom: .2rem;
  }
  .price-row { display: flex; align-items: baseline; gap: .5rem; }
  .price-promo {
    font-family: var(--font-display);
    font-size: 2.25rem; font-weight: 800;
    background: linear-gradient(90deg, var(--blue), var(--cyan));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    line-height: 1;
  }
  .price-unit {
    color: var(--gray); font-size: .85rem;
    font-family: var(--font-mono);
  }
  .promo-pill {
    display: inline-flex; align-items: center; gap: .35rem;
    background: rgba(255,77,109,.15);
    border: 1px solid rgba(255,77,109,.3);
    color: var(--promo-red); font-size: .7rem; font-weight: 700;
    letter-spacing: 1px; padding: .25rem .65rem; border-radius: 99px;
    margin-left: .5rem; font-family: var(--font-mono);
  }

  .free-banner {
    background: linear-gradient(135deg, rgba(0,229,160,.1), rgba(0,212,255,.08));
    border: 1.5px solid rgba(0,229,160,.3);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
  }
  .free-title {
    display: flex; align-items: center; gap: .5rem;
    font-weight: 700; font-size: .85rem; color: var(--green);
    margin-bottom: .65rem; font-family: var(--font-display);
    letter-spacing: .5px;
  }
  .free-title i { font-size: 1rem; }
  .free-items { list-style: none; }
  .free-items li {
    display: flex; align-items: flex-start; gap: .6rem;
    font-size: .8rem; color: #cde; margin-bottom: .4rem;
    font-family: var(--font-body);
    line-height: 1.4;
  }
  .free-items li::before {
    content: '→'; color: var(--cyan); font-size: .75rem;
    flex-shrink: 0; margin-top: .1rem;
  }
  .free-sub { font-weight: 600; color: var(--white); margin-right: .25rem; }

  .card-cta {
    display: flex; align-items: center; justify-content: center; gap: .6rem;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    color: #fff; text-decoration: none; border-radius: 10px;
    padding: .8rem; font-weight: 600; font-size: .9rem;
    transition: box-shadow .3s, transform .2s;
    box-shadow: 0 0 20px rgba(0,212,255,.2);
  }
  .card-cta:hover {
    box-shadow: 0 0 40px rgba(0,212,255,.4);
    transform: translateY(-2px);
  }

  /* ── TECHNICAL SECTION ── */
  #technical { background: var(--navy); }
  .technical-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 1100px;
  }

  .tech-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px; padding: 2rem;
    backdrop-filter: blur(20px);
    transition: transform .3s, border-color .3s;
  }
  .tech-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0,212,255,.3);
  }
  .tech-card-icon {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, rgba(26,110,247,.25), rgba(0,212,255,.12));
    border: 1px solid rgba(0,212,255,.2);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; color: var(--cyan); margin-bottom: 1rem;
  }
  .tech-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem; font-weight: 700;
    margin-bottom: .75rem;
  }
  .tech-list { list-style: none; }
  .tech-list li {
    display: flex; gap: .6rem;
    color: var(--gray); font-size: .875rem;
    margin-bottom: .5rem; align-items: flex-start;
  }
  .tech-list li i { color: var(--blue); font-size: .8rem; flex-shrink: 0; margin-top: .3rem; }

  .pushover-card {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, rgba(26,110,247,.1), rgba(0,212,255,.05));
    border: 1.5px solid rgba(0,212,255,.25);
    border-radius: 20px; padding: 2rem;
    display: flex; align-items: center; gap: 1.5rem;
    flex-wrap: wrap;
  }
  .pushover-icon {
    width: 56px; height: 56px; flex-shrink: 0;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; color: #fff;
    box-shadow: 0 0 25px rgba(0,212,255,.3);
  }
  .pushover-text { flex: 1; min-width: 240px; }
  .pushover-text h3 {
    font-family: var(--font-display); font-size: 1.15rem; font-weight: 700;
    margin-bottom: .4rem;
  }
  .pushover-text p { color: var(--gray); font-size: .9rem; }
  .pushover-text p strong { color: var(--cyan); }

  /* ── STATS SECTION ── */
  #stats {
    background: linear-gradient(180deg, var(--navy-mid) 0%, var(--navy) 100%);
    padding: 80px 5%;
  }
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem; max-width: 900px; margin: 0 auto; text-align: center;
  }
  .stat-item { padding: 1.5rem; }
  .stat-number {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800; line-height: 1;
    background: linear-gradient(90deg, var(--blue), var(--cyan));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    margin-bottom: .5rem;
  }
  .stat-label {
    color: var(--gray); font-size: .9rem; font-weight: 500;
    font-family: var(--font-body);
  }

  /* ── PORTFOLIO ── */
  #portfolio { background: var(--navy-mid); }
  .portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem; max-width: 1100px;
  }
  .portfolio-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 18px; padding: 1.75rem;
    backdrop-filter: blur(20px);
    transition: transform .3s, box-shadow .3s, border-color .3s;
    position: relative; overflow: hidden;
  }
  .portfolio-card::after {
    content: '';
    position: absolute; inset: 0; border-radius: 18px;
    background: linear-gradient(135deg, rgba(0,212,255,.05), transparent);
    opacity: 0; transition: opacity .3s;
  }
  .portfolio-card:hover { transform: translateY(-5px); box-shadow: 0 15px 45px rgba(0,0,0,.3); border-color: rgba(0,212,255,.3); }
  .portfolio-card:hover::after { opacity: 1; }
  .portfolio-icon {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, rgba(26,110,247,.2), rgba(0,212,255,.08));
    border: 1px solid rgba(0,212,255,.15);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; color: var(--cyan); margin-bottom: 1rem;
  }
  .portfolio-cat {
    font-family: var(--font-mono); font-size: .65rem;
    color: var(--gray); letter-spacing: 2px; text-transform: uppercase;
    margin-bottom: .35rem;
  }
  .portfolio-title {
    font-family: var(--font-display); font-size: 1rem;
    font-weight: 700; margin-bottom: .5rem;
  }
  .portfolio-desc { color: var(--gray); font-size: .82rem; line-height: 1.5; }
  .portfolio-tag {
    display: inline-block; margin-top: .75rem;
    background: rgba(26,110,247,.12);
    border: 1px solid rgba(26,110,247,.2);
    color: #7eb3ff; font-size: .7rem;
    padding: .25rem .65rem; border-radius: 6px;
    font-family: var(--font-mono);
  }

  /* ── TESTIMONIALS ── */
  #testimonials { background: var(--navy); }
  .testimonial-slider { max-width: 900px; position: relative; overflow: hidden; }
  .testimonial-track {
    display: flex;
    transition: transform .5s cubic-bezier(.4,0,.2,1);
  }
  .testimonial-slide {
    min-width: 100%; padding: 0 .5rem;
  }
  .testimonial-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px; padding: 2.25rem;
    backdrop-filter: blur(20px);
    position: relative;
  }
  .testimonial-card::before {
    content: '"';
    position: absolute; top: 1rem; right: 1.75rem;
    font-family: Georgia, serif;
    font-size: 5rem; color: rgba(0,212,255,.12);
    line-height: 1;
  }
  .testimonial-stars {
    color: #ffb800; font-size: .9rem;
    margin-bottom: 1rem; letter-spacing: 2px;
  }
  .testimonial-text {
    color: #c5d3e8; font-size: 1rem; line-height: 1.75;
    margin-bottom: 1.5rem;
    font-style: italic;
  }
  .testimonial-author {
    display: flex; align-items: center; gap: 1rem;
  }
  .author-avatar {
    width: 46px; height: 46px; border-radius: 50%;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 1rem; color: #fff;
    flex-shrink: 0;
  }
  .author-name { font-weight: 600; font-size: .95rem; }
  .author-role { color: var(--gray); font-size: .8rem; font-family: var(--font-mono); }

  .slider-dots {
    display: flex; gap: .5rem; justify-content: center;
    margin-top: 1.75rem;
  }
  .dot {
    width: 8px; height: 8px; border-radius: 99px;
    background: rgba(255,255,255,.2); border: none; cursor: pointer;
    transition: background .3s, width .3s;
  }
  .dot.active { background: var(--cyan); width: 24px; }

  /* ── CTA SECTION ── */
  #cta {
    background: linear-gradient(135deg, rgba(26,110,247,.08), rgba(0,212,255,.04));
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    text-align: center;
  }
  .cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800; margin-bottom: 1rem;
  }
  .cta-desc { color: var(--gray); max-width: 520px; margin: 0 auto 2.5rem; }
  .cta-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

  /* ── FOOTER ── */
  footer {
    position: relative; z-index: 1;
    background: var(--navy);
    border-top: 1px solid rgba(255,255,255,.05);
    padding: 3rem 5% 2rem;
    text-align: center;
  }
  .footer-brand {
    font-family: var(--font-display);
    font-size: 1.2rem; font-weight: 800; letter-spacing: 3px;
    margin-bottom: .5rem;
  }
  .footer-brand span { color: var(--cyan); }
  .footer-tagline { color: var(--gray); font-size: .85rem; margin-bottom: 1.5rem; }
  .footer-links {
    display: flex; gap: 2rem; justify-content: center; flex-wrap: wrap;
    list-style: none; margin-bottom: 1.5rem;
  }
  .footer-links a { color: var(--gray); text-decoration: none; font-size: .875rem; transition: color .2s; }
  .footer-links a:hover { color: var(--cyan); }
  .footer-copy { color: rgba(255,255,255,.25); font-size: .78rem; font-family: var(--font-mono); }

  /* ── FLOATING WA ── */
  .wa-float {
    position: fixed; bottom: 2rem; right: 2rem; z-index: 200;
    width: 56px; height: 56px;
    background: #25d366; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem; color: #fff;
    box-shadow: 0 4px 20px rgba(37,211,102,.45);
    text-decoration: none;
    animation: waFloat 3s ease-in-out infinite;
    transition: transform .2s;
  }
  .wa-float:hover { transform: scale(1.1); }
  @keyframes waFloat {
    0%,100%{box-shadow:0 4px 20px rgba(37,211,102,.45), 0 0 0 0 rgba(37,211,102,.3)}
    50%{box-shadow:0 4px 30px rgba(37,211,102,.6), 0 0 0 12px rgba(37,211,102,0)}
  }

  /* ── SCROLL ANIMATION ── */
  .fade-up {
    opacity: 0; transform: translateY(30px);
    transition: opacity .65s ease, transform .65s ease;
  }
  .fade-up.visible { opacity: 1; transform: translateY(0); }

  /* ── DIVIDER ── */
  .section-divider {
    width: 60px; height: 3px;
    background: linear-gradient(90deg, var(--blue), var(--cyan));
    border-radius: 3px; margin-bottom: 2.5rem;
  }

  /* ── RESPONSIVE ── */
  @media (max-width: 900px) {
    .technical-grid { grid-template-columns: 1fr; }
    .pushover-card { grid-column: 1; }
  }
  @media (max-width: 768px) {
    .nav-links, .nav-cta { display: none; }
    .nav-hamburger { display: block; }
    nav.menu-open .nav-mobile {
      display: flex; flex-direction: column; gap: 1rem;
      position: absolute; top: 100%; left: 0; right: 0;
      background: rgba(6,13,31,.97);
      backdrop-filter: blur(20px);
      padding: 1.5rem 5%;
      border-bottom: 1px solid var(--glass-border);
    }
    nav.menu-open .nav-mobile a {
      color: var(--gray); text-decoration: none;
      font-size: 1rem; font-weight: 500;
    }
    nav.menu-open .nav-mobile a:hover { color: var(--cyan); }
    nav.menu-open .nav-mobile .nav-cta-mobile {
      display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
      background: linear-gradient(135deg, var(--blue), var(--cyan));
      color: #fff; border-radius: 8px; padding: .7rem 1.4rem;
      font-weight: 600; text-decoration: none;
    }
    section { padding: 70px 5%; }
    .pricing-grid { grid-template-columns: 1fr; }
    .portfolio-grid { grid-template-columns: 1fr; }
  }
  @media (max-width: 480px) {
    .hero-btns { flex-direction: column; }
    .btn-primary, .btn-secondary { justify-content: center; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .cta-btns { flex-direction: column; align-items: center; }
  }