/* ==========================================================================
   Mateus Mendes Desenvolvimento — design tokens
   ========================================================================== */

:root {
  --bg: #0c0a08;
  --bg-elevated: #16120e;
  --bg-elevated-2: #1c1712;
  --border: #2c241c;
  --border-soft: #201a14;

  --text: #f5f0e8;
  --text-dim: #a89e90;
  --text-faint: #6c6255;

  --accent: #ff9d42;
  --accent-bright: #ffc98a;
  --accent-dim: #b96a1e;
  --accent-ink: #2b1607;

  --accent-rgb: 255, 157, 66;

  --danger: #ff6b6b;

  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  --wrap: 1180px;
  --header-h: 76px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Reset
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overflow-wrap: break-word;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, p { margin: 0; }

::selection { background: rgba(var(--accent-rgb), 0.28); color: #fff; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  z-index: 999;
  font-weight: 600;
}
.skip-link:focus { left: 0; }

/* ==========================================================================
   Ambient background layers
   ========================================================================== */

#bg-grid {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
}

.cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 420px;
  height: 420px;
  margin-left: -210px;
  margin-top: -210px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.14) 0%, rgba(var(--accent-rgb), 0) 70%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-100px, -100px);
  transition: opacity 0.3s ease;
  will-change: transform;
}

@media (hover: none) {
  .cursor-glow { display: none; }
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(12, 10, 8, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark { flex-shrink: 0; }

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.brand-text strong {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand-text em {
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.brand-small {
  gap: 8px;
}
.brand-small span {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-dim);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.main-nav a {
  font-size: 14.5px;
  color: var(--text-dim);
  position: relative;
  padding: 4px 0;
  transition: color 0.2s var(--ease);
}
.main-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  transition: width 0.25s var(--ease);
}
.main-nav a:not(.nav-cta):hover { color: var(--text); }
.main-nav a:not(.nav-cta):hover::after { width: 100%; }
.main-nav a:not(.nav-cta).active { color: var(--accent); }
.main-nav a:not(.nav-cta).active::after { width: 100%; }

.nav-cta {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-ink);
  background: var(--accent);
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px -8px rgba(var(--accent-rgb), 0.6);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.nav-toggle span {
  display: block;
  width: 16px;
  height: 2px;
  margin: 0 auto;
  background: var(--text);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Reveal-on-scroll
   ========================================================================== */

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: calc(var(--reveal-delay, 0) * 90ms);
}
[data-reveal].in-view {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal-delay="1"] { --reveal-delay: 1; }
[data-reveal-delay="2"] { --reveal-delay: 2; }
[data-reveal-delay="3"] { --reveal-delay: 3; }

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 14.5px;
  font-weight: 600;
  padding: 13px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -10px rgba(var(--accent-rgb), 0.55);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-block { width: 100%; justify-content: center; }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  z-index: 2;
  padding: 76px 0 60px;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg-type {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero-bg-type span {
  position: absolute;
  font-family: var(--font-mono);
  font-weight: 700;
  white-space: nowrap;
  color: var(--accent);
  opacity: 0.05;
  letter-spacing: -0.01em;
}
.hero-bg-type span:nth-child(even) {
  color: var(--text);
  font-weight: 500;
  opacity: 0.06;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero-inner > * { min-width: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.08);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  padding: 6px 12px;
  border-radius: 999px;
  margin: 0 0 22px;
}
.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0.6);
  animation: pulse-dot 2.2s infinite;
}
@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(var(--accent-rgb), 0); }
  100% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0); }
}

.hero h1 {
  font-size: clamp(2.3rem, 4.4vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin-bottom: 22px;
}
.hero h1 .hl { color: var(--accent); }

.lead {
  font-size: 17.5px;
  color: var(--text-dim);
  max-width: 52ch;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-faint);
}
.hero-stack li::before {
  content: "▸ ";
  color: var(--accent-dim);
}

/* editor window mock */

.editor-window, .terminal-window {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.6);
  transform-style: preserve-3d;
  will-change: transform;
}

.editor-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-elevated-2);
  border-bottom: 1px solid var(--border-soft);
}
.editor-bar .dot { width: 10px; height: 10px; border-radius: 50%; opacity: 0.85; }
.editor-bar .dot.red { background: #ff5f56; }
.editor-bar .dot.yellow { background: #ffbd2e; }
.editor-bar .dot.green { background: #27c93f; }
.editor-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
}

.editor-body {
  margin: 0;
  padding: 22px 24px 26px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--text-dim);
  overflow-x: auto;
  white-space: normal;
}
.editor-body .c-key { color: #ff6fa5; }
.editor-body .c-var { color: var(--text); }
.editor-body .c-prop { color: #7ee3ff; }
.editor-body .c-str { color: var(--accent); }
.editor-body .c-bool { color: #8bd17c; }
.editor-body .c-fn { color: #7ee3ff; }

.code-line {
  display: block;
  white-space: pre;
  opacity: 0;
  transform: translateY(7px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
  transition-delay: calc(var(--i, 0) * 90ms);
}
.in-view .code-line {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .code-line { opacity: 1; transform: none; transition: none; }
}

.cursor-blink {
  color: var(--accent);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  width: 22px;
  height: 34px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.scroll-cue span {
  width: 3px;
  height: 7px;
  border-radius: 2px;
  background: var(--accent);
  animation: scroll-cue 1.8s infinite;
}
@keyframes scroll-cue {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(10px); opacity: 0; }
  100% { opacity: 0; }
}

/* ==========================================================================
   Sections
   ========================================================================== */

.section {
  position: relative;
  z-index: 2;
  padding: 108px 0;
}
.section-alt {
  background: linear-gradient(180deg, rgba(255,255,255,0.015), rgba(255,255,255,0));
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 14px;
}
.section h2 {
  position: relative;
  display: inline-block;
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  letter-spacing: -0.015em;
  font-weight: 800;
  margin-bottom: 26px;
}
.section h2::after {
  content: "";
  position: absolute;
  left: 2px;
  bottom: -12px;
  height: 3px;
  width: 0;
  background: var(--accent);
  transition: width 0.7s var(--ease) 0.25s;
}
.section h2.in-view::after { width: 46px; }
@media (prefers-reduced-motion: reduce) {
  .section h2::after { transition: none; }
}
.section-lead {
  color: var(--text-dim);
  font-size: 16.5px;
  max-width: 60ch;
  margin-bottom: 52px;
}

/* ==========================================================================
   Service cards
   ========================================================================== */

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

.card {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  overflow: hidden;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
  will-change: transform;
}
.card::before, .project-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}
.card:hover::before, .project-card:hover::before { opacity: 1; }
.card:hover {
  border-color: rgba(var(--accent-rgb), 0.4);
  box-shadow: 0 22px 44px -28px rgba(var(--accent-rgb), 0.35);
}

.card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent);
  margin-bottom: 18px;
}
.card-icon svg { width: 22px; height: 22px; }

.card h3 { font-size: 17.5px; margin-bottom: 10px; font-weight: 700; }
.card p { color: var(--text-dim); font-size: 14.5px; }

/* ==========================================================================
   Portfolio
   ========================================================================== */

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.project-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-elevated);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  will-change: transform;
}
.project-card:hover {
  border-color: rgba(var(--accent-rgb), 0.35);
  box-shadow: 0 30px 60px -34px rgba(var(--accent-rgb), 0.3);
}

.browser-frame { display: block; }
.browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 14px;
  background: var(--bg-elevated-2);
  border-bottom: 1px solid var(--border-soft);
}
.browser-bar .dot { width: 9px; height: 9px; border-radius: 50%; opacity: 0.85; }
.browser-url {
  margin-left: 10px;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-faint);
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 3px 12px;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.browser-preview {
  aspect-ratio: 16 / 9.3;
  overflow: hidden;
  position: relative;
  background: #05070a;
}
.browser-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.6s var(--ease);
}
.project-card:hover .browser-preview img { transform: scale(1.035); }

.project-info { padding: 24px 26px 28px; }
.project-info h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.project-info p { color: var(--text-dim); font-size: 14.5px; margin-bottom: 16px; }

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.tag-list li {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.08);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  padding: 4px 10px;
  border-radius: 999px;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
  transition: gap 0.2s var(--ease), color 0.2s var(--ease);
}
.project-link:hover { color: var(--accent); gap: 10px; }

/* ==========================================================================
   About
   ========================================================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.about-grid > * { min-width: 0; }
.about-grid h2 { font-size: clamp(1.9rem, 3vw, 2.5rem); margin-bottom: 18px; font-weight: 800; }
.about-grid p { color: var(--text-dim); margin-bottom: 16px; }
.about-grid > div:first-child p:last-child { margin-bottom: 0; }

.terminal-body .t-prompt { color: var(--accent); }
.terminal-body { color: var(--text-dim); }

/* ==========================================================================
   Process
   ========================================================================== */

.process-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.process-list li {
  position: relative;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 14px;
}
.process-list h3 { font-size: 16.5px; margin-bottom: 8px; font-weight: 700; }
.process-list p { color: var(--text-dim); font-size: 14px; }

/* ==========================================================================
   Contact
   ========================================================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-grid > * { min-width: 0; }
.contact-grid h2 { font-size: clamp(1.9rem, 3vw, 2.5rem); font-weight: 800; margin-bottom: 16px; }

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--accent);
  border-bottom: 1px solid rgba(var(--accent-rgb), 0.35);
  padding-bottom: 2px;
  overflow-wrap: anywhere;
  word-break: break-word;
  transition: border-color 0.2s var(--ease);
}
.contact-email:hover { border-color: var(--accent); }

.contact-form {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
}

.form-row { margin-bottom: 18px; }
.form-row label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14.5px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.form-row textarea { resize: vertical; min-height: 100px; }
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.15);
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  margin: 14px 0 0;
  font-size: 13.5px;
  min-height: 1.2em;
}
.form-status[data-state="ok"] { color: var(--accent); }
.form-status[data-state="error"] { color: var(--danger); }
.form-status[data-state="loading"] { color: var(--text-dim); }

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border-soft);
  padding: 30px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-inner p {
  color: var(--text-faint);
  font-size: 13px;
}

.footer-social {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-dim);
  transition: color 0.2s var(--ease);
}
.footer-social svg { width: 17px; height: 17px; }
.footer-social:hover { color: var(--accent); }

/* ==========================================================================
   WhatsApp floating button
   ========================================================================== */

.whatsapp-fab {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 60;
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #25d366;
  box-shadow: 0 10px 30px -8px rgba(0, 0, 0, 0.55);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.whatsapp-fab svg {
  width: 30px;
  height: 30px;
  fill: #08170e;
}
.whatsapp-fab:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 16px 36px -8px rgba(0, 0, 0, 0.6);
}
.whatsapp-fab-ping {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #25d366;
  opacity: 0.55;
  animation: whatsapp-ping 2.4s ease-out infinite;
}
@keyframes whatsapp-ping {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.9); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-fab-ping { animation: none; display: none; }
}

@media (max-width: 760px) {
  .whatsapp-fab {
    right: 16px;
    bottom: 16px;
    width: 52px;
    height: 52px;
  }
  .whatsapp-fab svg { width: 27px; height: 27px; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: 1fr; }

  .editor-body {
    overflow-x: hidden;
  }
  .code-line {
    white-space: pre-wrap;
    word-break: break-word;
  }
}

@media (max-width: 760px) {
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg);
    backdrop-filter: blur(14px);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 28px 20px;
    border-bottom: 1px solid var(--border-soft);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
  }
  .main-nav.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .main-nav a { width: 100%; padding: 14px 0; border-bottom: 1px solid var(--border-soft); }
  .main-nav a.nav-cta { margin-top: 12px; text-align: center; border-bottom: none; }
  .nav-toggle { display: flex; }

  .cards-grid { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: 1fr; }
  .section { padding: 76px 0; }
  .hero { padding: 52px 0 48px; }

  .lead { font-size: 16.5px; }
  .section-lead { font-size: 16px; }
  .card p,
  .project-info p,
  .about-grid p,
  .process-list p {
    font-size: 15.5px;
    line-height: 1.65;
  }
  .card h3 { font-size: 18.5px; }
  .project-info p { font-size: 16px; }
}