/* ============================================================
   Marcus Rocha — marcusrocha.com
   Main Stylesheet
   ============================================================ */

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

:root {
  --teal: #27B9D1;
  --teal-dim: rgba(39,185,209,0.10);
  --teal-mid: rgba(39,185,209,0.30);
  --indigo: #4D479E;
  --indigo-dim: rgba(77,71,158,0.12);
  --black: #0A0A0A;
  --off-white: #F4F3F0;
  --gray: #8A8A8A;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--off-white);
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--teal-mid); border-radius: 2px; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes blink {
  0%,100% { opacity: 1; }
  50%     { opacity: 0.2; }
}

/* ============================================================
   NAV
   ============================================================ */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 72px;
  background: rgba(10,10,10,0.90);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(39,185,209,0.07);
}
.nav-logo {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-display); font-size: clamp(15px, 1.2vw, 20px); font-weight: 700;
  letter-spacing: 0.03em; color: var(--off-white); text-decoration: none;
}
.nav-logo img { width: clamp(28px, 2.2vw, 38px); height: clamp(28px, 2.2vw, 38px); object-fit: contain; }
.nav-links { display: flex; gap: 36px; align-items: center; }
.nav-links a {
  font-size: clamp(11px, 0.85vw, 14px); font-weight: 400; color: var(--gray);
  text-decoration: none; letter-spacing: 0.08em; text-transform: uppercase;
  transition: color 0.2s; position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 1px; background: var(--teal);
  transform: scaleX(0); transition: transform 0.2s;
}
.nav-links a:hover { color: var(--teal); }
.nav-links a:hover::after { transform: scaleX(1); }
.lang-toggle {
  display: flex; gap: 3px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px; padding: 3px;
}
.lang-toggle a {
  font-size: clamp(10px, 0.8vw, 13px); font-weight: 500; color: var(--gray);
  padding: 5px 14px; border-radius: 16px;
  letter-spacing: 0.08em; text-transform: uppercase;
  text-decoration: none; transition: all 0.2s;
}
.lang-toggle a.active { background: var(--teal); color: var(--black); font-weight: 600; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  height: 100vh; max-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr auto;
  padding-top: 72px;
  position: relative; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse at 75% 15%, rgba(39,185,209,0.06) 0%, transparent 55%),
    radial-gradient(ellipse at 55% 85%, rgba(77,71,158,0.05) 0%, transparent 45%);
}
.hero-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(39,185,209,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(39,185,209,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
}
.hero-left {
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(40px, 5vh, 80px) clamp(48px, 5vw, 96px);
  position: relative; z-index: 1;
  grid-column: 1; grid-row: 1; overflow: hidden;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--teal-dim); border: 1px solid var(--teal-mid);
  border-radius: 4px; padding: clamp(5px, 0.6vh, 8px) clamp(12px, 1.2vw, 18px);
  font-size: clamp(10px, 0.8vw, 13px); font-weight: 500; color: var(--teal);
  letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: clamp(20px, 3vh, 40px); width: fit-content;
  animation: fadeUp 0.7s ease both;
}
.hero-tag::before {
  content: ''; width: clamp(5px, 0.5vw, 8px); height: clamp(5px, 0.5vw, 8px);
  border-radius: 50%; background: var(--teal); flex-shrink: 0;
  animation: blink 2.5s ease-in-out infinite;
}
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(56px, 8.5vw, 140px);
  font-weight: 800; line-height: 0.92;
  letter-spacing: -0.03em;
  margin-bottom: clamp(8px, 1.2vh, 20px);
  animation: fadeUp 0.7s 0.1s ease both;
}
.hero-name .accent { color: var(--teal); }
.hero-role {
  font-family: var(--font-display);
  font-size: clamp(11px, 1.1vw, 18px); font-weight: 400;
  color: var(--gray); letter-spacing: 0.2em; text-transform: uppercase;
  margin-bottom: clamp(24px, 4vh, 48px);
  animation: fadeUp 0.7s 0.18s ease both;
}
.hero-divider {
  width: clamp(32px, 3vw, 56px); height: 2px; background: var(--teal);
  margin-bottom: clamp(20px, 3vh, 36px);
  animation: fadeUp 0.7s 0.22s ease both;
}
.hero-bio {
  font-size: clamp(14px, 1.3vw, 21px); line-height: 1.8;
  color: rgba(244,243,240,0.65);
  max-width: clamp(320px, 36vw, 600px);
  margin-bottom: clamp(32px, 5vh, 56px);
  font-weight: 300;
  animation: fadeUp 0.7s 0.28s ease both;
}
.hero-bio strong { color: var(--off-white); font-weight: 500; }
.hero-ctas {
  display: flex; gap: clamp(10px, 1vw, 16px); flex-wrap: wrap;
  animation: fadeUp 0.7s 0.36s ease both;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--teal); color: var(--black);
  font-family: var(--font-body); font-size: clamp(11px, 0.9vw, 15px); font-weight: 600;
  padding: clamp(12px, 1.2vh, 18px) clamp(24px, 2.5vw, 40px); border-radius: 4px;
  letter-spacing: 0.07em; text-transform: uppercase;
  text-decoration: none; border: none; cursor: pointer; transition: all 0.2s;
}
.btn-primary:hover { background: #20a8be; transform: translateY(-2px); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--off-white);
  font-family: var(--font-body); font-size: clamp(11px, 0.9vw, 15px); font-weight: 400;
  padding: clamp(12px, 1.2vh, 18px) clamp(24px, 2.5vw, 40px); border-radius: 4px;
  border: 1px solid rgba(244,243,240,0.18);
  letter-spacing: 0.07em; text-transform: uppercase;
  text-decoration: none; cursor: pointer; transition: all 0.2s;
}
.btn-secondary:hover { border-color: var(--teal); color: var(--teal); transform: translateY(-2px); }
.stats-bar {
  grid-column: 1; grid-row: 2;
  padding: clamp(16px, 2vh, 28px) clamp(48px, 5vw, 96px);
  display: flex; gap: clamp(28px, 4vw, 64px);
  border-top: 1px solid rgba(255,255,255,0.05);
  animation: fadeUp 0.7s 0.44s ease both;
  z-index: 1; position: relative;
}
.stat { display: flex; flex-direction: column; gap: 3px; }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 36px);
  font-weight: 700; color: var(--teal); line-height: 1;
}
.stat-label { font-size: clamp(9px, 0.7vw, 12px); color: var(--gray); letter-spacing: 0.1em; text-transform: uppercase; }
.hero-right {
  grid-column: 2; grid-row: 1 / 3;
  display: flex; align-items: center; justify-content: center;
  padding: clamp(40px, 5vh, 80px) clamp(48px, 5vw, 96px);
  position: relative; z-index: 1; overflow: hidden;
}
.profile-card {
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.07);
  border-radius: clamp(12px, 1.2vw, 20px);
  padding: clamp(24px, 2.5vw, 44px);
  width: 100%; max-width: clamp(300px, 30vw, 480px);
  animation: fadeUp 0.7s 0.32s ease both;
}
.card-header { display: flex; align-items: center; gap: 14px; margin-bottom: clamp(18px, 2vh, 28px); }
.avatar {
  width: clamp(44px, 4vw, 64px); height: clamp(44px, 4vw, 64px);
  border-radius: 10px; flex-shrink: 0;
  background: var(--teal-dim); border: 1px solid var(--teal-mid);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: clamp(14px, 1.4vw, 22px);
  font-weight: 800; color: var(--teal);
}
.card-name { font-family: var(--font-display); font-size: clamp(13px, 1.2vw, 19px); font-weight: 700; }
.card-title { font-size: clamp(10px, 0.9vw, 14px); color: var(--gray); margin-top: 3px; }
.skills-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(6px, 0.8vw, 12px); margin-bottom: clamp(16px, 1.8vh, 24px); }
.skill-chip {
  background: rgba(255,255,255,0.035); border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px; padding: clamp(8px, 1vh, 14px) clamp(10px, 1vw, 16px);
  transition: border-color 0.2s;
}
.skill-chip:hover { border-color: var(--teal-mid); }
.skill-icon { font-size: clamp(14px, 1.4vw, 22px); margin-bottom: 4px; }
.skill-name { font-size: clamp(11px, 1vw, 16px); font-weight: 500; color: var(--off-white); }
.skill-lvl { font-size: clamp(9px, 0.75vw, 12px); color: var(--teal); margin-top: 2px; letter-spacing: 0.04em; }
.cert-section-label {
  font-size: clamp(9px, 0.75vw, 12px); color: var(--gray);
  letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 8px;
}
.cert-row { display: flex; gap: 6px; flex-wrap: wrap; }
.cert-badge {
  background: var(--teal-dim); border: 1px solid var(--teal-mid);
  border-radius: 4px; font-size: clamp(9px, 0.75vw, 12px); font-weight: 600;
  color: var(--teal); padding: 3px 8px; letter-spacing: 0.06em;
}
.cert-badge.soon { background: var(--indigo-dim); border-color: rgba(77,71,158,0.3); color: #9B96D4; }

/* ============================================================
   SECTIONS (shared)
   ============================================================ */
.section {
  padding: clamp(64px, 9vh, 112px) clamp(48px, 6vw, 112px);
  border-top: 1px solid rgba(255,255,255,0.05);
}
.section-label {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: clamp(10px, 0.8vw, 13px); font-weight: 500; color: var(--teal);
  letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: clamp(16px, 2vh, 28px);
}
.section-label::after { content: ''; width: 32px; height: 1px; background: var(--teal); }
.section-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 64px); font-weight: 700;
  line-height: 1.1; letter-spacing: -0.015em;
  margin-bottom: clamp(14px, 1.5vh, 22px);
}
.section-headline em { font-style: normal; color: var(--teal); }
.section-sub {
  font-size: clamp(14px, 1.2vw, 19px); line-height: 1.8;
  color: rgba(244,243,240,0.55); font-weight: 300;
  max-width: clamp(400px, 45vw, 700px);
  margin-bottom: clamp(40px, 6vh, 80px);
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(40px, 6vw, 100px); align-items: start; }
.about-text {
  font-size: clamp(14px, 1.2vw, 19px); line-height: 1.85;
  color: rgba(244,243,240,0.62); font-weight: 300; margin-bottom: 14px;
}
.expertise-list { display: flex; flex-direction: column; gap: clamp(10px, 1.2vh, 16px); }
.exp-item {
  display: flex; align-items: flex-start; gap: clamp(12px, 1.2vw, 20px);
  padding: clamp(14px, 1.5vh, 22px) clamp(14px, 1.5vw, 22px);
  border-radius: 10px; background: rgba(255,255,255,0.025);
  border: 1px solid rgba(255,255,255,0.055);
  transition: border-color 0.25s, background 0.25s;
}
.exp-item:hover { border-color: rgba(39,185,209,0.22); background: rgba(39,185,209,0.04); }
.exp-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); margin-top: 5px; flex-shrink: 0; }
.exp-item h4 { font-family: var(--font-display); font-size: clamp(12px, 1.1vw, 17px); font-weight: 600; margin-bottom: 4px; }
.exp-item p { font-size: clamp(11px, 0.9vw, 14px); color: var(--gray); line-height: 1.55; }

/* ============================================================
   CAREER TIMELINE
   ============================================================ */
.timeline { display: flex; flex-direction: column; gap: 0; position: relative; }
.timeline-item {
  display: grid;
  grid-template-columns: clamp(32px, 3vw, 48px) 1fr;
  gap: clamp(16px, 2vw, 32px);
  position: relative;
}
.timeline-marker { display: flex; flex-direction: column; align-items: center; padding-top: clamp(18px, 2vh, 28px); }
.timeline-dot {
  width: clamp(12px, 1.2vw, 18px); height: clamp(12px, 1.2vw, 18px);
  border-radius: 50%;
  background: rgba(39,185,209,0.2); border: 2px solid rgba(39,185,209,0.4);
  flex-shrink: 0; transition: all 0.3s; z-index: 1;
}
.timeline-dot.active {
  background: var(--teal); border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(39,185,209,0.15);
}
.timeline-line {
  width: 1px; flex: 1;
  background: linear-gradient(to bottom, rgba(39,185,209,0.3), rgba(39,185,209,0.05));
  margin-top: 6px; min-height: clamp(32px, 4vh, 56px);
}
.timeline-card {
  background: rgba(255,255,255,0.025); border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px; padding: clamp(20px, 2.5vw, 36px);
  margin-bottom: clamp(16px, 2vh, 28px);
  transition: border-color 0.25s, background 0.25s;
}
.timeline-card:hover { border-color: rgba(39,185,209,0.2); background: rgba(39,185,209,0.03); }
.timeline-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px; margin-bottom: clamp(12px, 1.5vh, 20px); flex-wrap: wrap;
}
.timeline-company {
  font-family: var(--font-display);
  font-size: clamp(14px, 1.3vw, 20px); font-weight: 700;
  color: var(--off-white); margin-bottom: 3px;
}
.timeline-location { font-size: clamp(11px, 0.9vw, 14px); color: var(--gray); letter-spacing: 0.04em; }
.period-badge {
  display: inline-flex; align-items: center;
  font-size: clamp(10px, 0.85vw, 13px); font-weight: 500; color: var(--gray);
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 4px; padding: 4px 10px; white-space: nowrap; letter-spacing: 0.04em;
}
.period-badge.active { color: var(--teal); background: var(--teal-dim); border-color: var(--teal-mid); }
.timeline-desc {
  font-size: clamp(13px, 1.1vw, 16px); line-height: 1.75;
  color: rgba(244,243,240,0.6); font-weight: 300;
  margin-bottom: clamp(14px, 1.8vh, 22px);
}
.timeline-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.timeline-tag {
  font-size: clamp(9px, 0.75vw, 12px); font-weight: 500; color: var(--teal);
  background: var(--teal-dim); border: 1px solid var(--teal-mid);
  border-radius: 3px; padding: 3px 8px; letter-spacing: 0.05em;
}

/* ============================================================
   EDUCATION & CERTIFICATIONS
   ============================================================ */
.education-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 7vw, 120px); align-items: start;
}
.education-block-title {
  font-family: var(--font-display);
  font-size: clamp(13px, 1.2vw, 18px); font-weight: 600;
  color: var(--gray); letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: clamp(20px, 2.5vh, 32px);
}
.education-list { display: flex; flex-direction: column; gap: clamp(12px, 1.5vh, 20px); }
.education-item {
  display: flex; align-items: flex-start;
  gap: clamp(14px, 1.5vw, 22px);
  padding: clamp(16px, 2vh, 26px);
  background: rgba(255,255,255,0.025); border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px; transition: border-color 0.25s, background 0.25s;
}
.education-item:hover { border-color: rgba(39,185,209,0.2); background: rgba(39,185,209,0.03); }
.education-icon { font-size: clamp(20px, 2vw, 30px); flex-shrink: 0; }
.education-degree {
  font-family: var(--font-display);
  font-size: clamp(13px, 1.1vw, 17px); font-weight: 600;
  color: var(--off-white); margin-bottom: 4px;
}
.education-school { font-size: clamp(11px, 0.9vw, 14px); color: var(--teal); margin-bottom: 2px; }
.education-year { font-size: clamp(10px, 0.8vw, 13px); color: var(--gray); letter-spacing: 0.06em; }
.cert-list { display: flex; flex-direction: column; gap: clamp(10px, 1.2vh, 16px); }
.cert-item {
  display: flex; align-items: center;
  gap: clamp(14px, 1.5vw, 22px);
  padding: clamp(14px, 1.8vh, 22px) clamp(16px, 1.8vw, 24px);
  background: rgba(255,255,255,0.025); border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px; transition: border-color 0.25s, background 0.25s;
}
.cert-item:hover { border-color: rgba(39,185,209,0.2); background: rgba(39,185,209,0.03); }
.cert-item-badge {
  font-family: var(--font-display);
  font-size: clamp(10px, 0.9vw, 14px); font-weight: 700;
  padding: clamp(4px, 0.6vh, 8px) clamp(8px, 0.9vw, 14px);
  border-radius: 4px; white-space: nowrap; letter-spacing: 0.06em;
  flex-shrink: 0; min-width: clamp(52px, 5vw, 72px); text-align: center;
}
.cert-item-badge.obtained { background: var(--teal-dim); border: 1px solid var(--teal-mid); color: var(--teal); }
.cert-item-badge.in-progress { background: var(--indigo-dim); border: 1px solid rgba(77,71,158,0.3); color: #9B96D4; }
.cert-item-name { font-size: clamp(12px, 1vw, 16px); font-weight: 500; color: var(--off-white); margin-bottom: 2px; }
.cert-item-issuer { font-size: clamp(10px, 0.8vw, 13px); color: var(--gray); }

/* ============================================================
   SERVICES
   ============================================================ */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(12px, 1.4vw, 22px); }
.service-card {
  background: rgba(255,255,255,0.025); border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px; padding: clamp(20px, 2.5vw, 40px) clamp(18px, 2vw, 32px);
  transition: border-color 0.25s, background 0.25s, transform 0.25s;
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--teal); opacity: 0; transition: opacity 0.25s;
}
.service-card:hover { border-color: rgba(39,185,209,0.2); background: rgba(39,185,209,0.035); transform: translateY(-3px); }
.service-card:hover::before { opacity: 1; }
.service-icon { font-size: clamp(24px, 2.5vw, 40px); margin-bottom: clamp(12px, 1.5vh, 20px); display: block; }
.service-card h3 { font-family: var(--font-display); font-size: clamp(14px, 1.2vw, 20px); font-weight: 700; margin-bottom: 10px; }
.service-card p { font-size: clamp(12px, 1vw, 16px); line-height: 1.7; color: rgba(244,243,240,0.55); font-weight: 300; margin-bottom: clamp(14px, 1.8vh, 24px); }
.service-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.service-tag {
  font-size: clamp(9px, 0.75vw, 12px); font-weight: 500; color: var(--teal);
  background: var(--teal-dim); border: 1px solid var(--teal-mid);
  border-radius: 3px; padding: 3px 8px; letter-spacing: 0.05em;
}

/* ============================================================
   PORTFOLIO
   ============================================================ */
.portfolio-placeholder {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; text-align: center;
  padding: clamp(60px, 10vh, 120px) 40px;
  background: rgba(255,255,255,0.02);
  border: 1px dashed rgba(39,185,209,0.2);
  border-radius: 16px; gap: clamp(14px, 2vh, 24px);
}
.placeholder-icon { font-size: clamp(36px, 4vw, 60px); opacity: 0.6; }
.portfolio-placeholder h3 { font-family: var(--font-display); font-size: clamp(18px, 2.2vw, 34px); font-weight: 700; }
.portfolio-placeholder p { font-size: clamp(13px, 1.1vw, 18px); line-height: 1.7; color: rgba(244,243,240,0.5); font-weight: 300; max-width: 480px; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 7vw, 120px); align-items: start; }
.contact-links { display: flex; flex-direction: column; gap: clamp(10px, 1.2vh, 16px); margin-top: clamp(24px, 3vh, 40px); }
.contact-link {
  display: flex; align-items: center; gap: clamp(12px, 1.4vw, 20px);
  padding: clamp(14px, 1.5vh, 22px) clamp(16px, 1.8vw, 26px);
  background: rgba(255,255,255,0.025); border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px; text-decoration: none; color: var(--off-white);
  transition: border-color 0.2s, background 0.2s;
}
.contact-link:hover { border-color: rgba(39,185,209,0.25); background: rgba(39,185,209,0.04); }
.contact-link-icon { font-size: clamp(18px, 1.8vw, 28px); flex-shrink: 0; }
.contact-link-label { font-size: clamp(9px, 0.75vw, 12px); color: var(--gray); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 2px; }
.contact-link-value { font-size: clamp(12px, 1.1vw, 17px); font-weight: 500; color: var(--teal); }
.contact-form-wrapper {
  padding: clamp(24px, 2.8vw, 44px);
  background: rgba(255,255,255,0.025);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
}
.contact-form-label { font-size: clamp(10px, 0.8vw, 13px); color: var(--gray); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: clamp(16px, 2vh, 26px); }
.contact-form { display: flex; flex-direction: column; gap: clamp(12px, 1.6vh, 22px); }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: clamp(10px, 0.8vw, 13px); font-weight: 500; color: var(--gray); letter-spacing: 0.08em; text-transform: uppercase; }
.form-group input,
.form-group textarea {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px; padding: clamp(10px, 1.2vh, 16px) clamp(12px, 1.2vw, 18px);
  font-family: var(--font-body); font-size: clamp(13px, 1.1vw, 17px);
  color: var(--off-white); outline: none; transition: border-color 0.2s; resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(138,138,138,0.5); }
.form-group input:focus,
.form-group textarea:focus { border-color: var(--teal-mid); }
.form-note { font-size: clamp(12px, 1vw, 15px); text-align: center; min-height: 20px; margin-top: 4px; }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  padding: clamp(24px, 3.5vh, 48px) clamp(48px, 6vw, 112px);
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex; align-items: center; justify-content: space-between;
}
.footer-left { display: flex; flex-direction: column; gap: 6px; }
.footer-right { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.footer-copy { font-size: clamp(11px, 0.9vw, 14px); color: rgba(138,138,138,0.5); letter-spacing: 0.04em; }
.footer-domain { font-size: clamp(11px, 0.9vw, 14px); color: var(--teal); letter-spacing: 0.04em; }

/* ============================================================
   RESPONSIVE — Tablet (max 1100px)
   ============================================================ */
@media (max-width: 1100px) {
  nav { padding: 18px 40px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   RESPONSIVE — Mobile (max 768px)
   ============================================================ */
@media (max-width: 768px) {
  nav { padding: 14px 20px; }
  .nav-links { display: none; }
  .hero { height: auto; max-height: none; grid-template-columns: 1fr; grid-template-rows: auto auto; }
  .hero-left { grid-column: 1; grid-row: 1; padding: 48px 24px 32px; justify-content: flex-start; }
  .hero-right { display: none; }
  .stats-bar { grid-column: 1; grid-row: 2; width: 100%; padding: 20px 24px; gap: 24px; }
  .section { padding: 56px 24px; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .services-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .education-grid { grid-template-columns: 1fr; gap: 36px; }
  .timeline-item { grid-template-columns: 28px 1fr; gap: 14px; }
  .timeline-header { flex-direction: column; gap: 8px; }
  footer { padding: 24px; flex-direction: column; gap: 16px; text-align: center; }
  .footer-right { align-items: center; }
}

/* ============================================================
   RESPONSIVE — Small mobile (max 400px)
   ============================================================ */
@media (max-width: 400px) {
  .hero-ctas { flex-direction: column; }
  .btn-primary, .btn-secondary { justify-content: center; text-align: center; }
}