/* ============================================================
   LEON HARTMANN – PORTFOLIO  |  style.css
   Clean · Modern · Startup-Style
   ============================================================ */

/* --- CSS VARIABLES --- */
:root {
  --blue:        #2563eb;
  --blue-light:  #eff6ff;
  --blue-mid:    #bfdbfe;
  --teal:        #0891b2;
  --teal-light:  #ecfeff;
  --warm:        #f59e0b;
  --warm-light:  #fffbeb;
  --purple:      #7c3aed;
  --purple-light:#f5f3ff;
  --text:        #111827;
  --text-2:      #4b5563;
  --text-3:      #9ca3af;
  --bg:          #ffffff;
  --bg-alt:      #f8fafc;
  --border:      #e5e7eb;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:   0 4px 20px rgba(0,0,0,.07), 0 2px 8px rgba(0,0,0,.04);
  --shadow-lg:   0 12px 40px rgba(0,0,0,.09), 0 4px 16px rgba(0,0,0,.05);
  --radius-sm:   8px;
  --radius-md:   14px;
  --radius-lg:   22px;
  --radius-xl:   32px;
}

/* --- RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'DM Sans', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -.02em; }
em { font-style: italic; font-family: 'Fraunces', serif; font-weight: 300; }

/* --- LAYOUT --- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 96px 0;
}
.section-light { background: var(--bg-alt); }
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  color: var(--text);
  font-weight: 500;
}
.section-title--light { color: #fff; }
.section-label--light { color: rgba(255,255,255,.7); }

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 50px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  font-size: .95rem;
  cursor: pointer;
  border: none;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-sm { padding: 8px 18px; font-size: .85rem; }
.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37,99,235,.3);
}
.btn-primary:hover { box-shadow: 0 6px 20px rgba(37,99,235,.4); background: #1d4ed8; }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-light); }
.btn-outline {
  background: transparent;
  color: var(--blue);
  border: 1.5px solid var(--blue-mid);
}
.btn-outline:hover { background: var(--blue-light); border-color: var(--blue); }
.btn-white {
  background: #fff;
  color: var(--blue);
  font-weight: 600;
}
.btn-white:hover { background: var(--blue-light); }

/* --- REVEAL ANIMATION --- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}
.nav.scrolled {
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-logo {
  font-family: 'Fraunces', serif;
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--text);
  margin-right: auto;
}
.nav-links {
  display: flex;
  gap: 28px;
}
.nav-links a {
  font-size: .9rem;
  color: var(--text-2);
  font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--blue); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 0;
  padding: 0 24px 20px;
  background: #fff;
  border-top: 1px solid var(--border);
}
.nav-mobile a {
  padding: 14px 0;
  font-size: .95rem;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
  font-weight: 500;
}
.nav-mobile.open { display: flex; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding-top: 140px;
  padding-bottom: 100px;
  position: relative;
  overflow: hidden;
}
.hero-bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}
.blob-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,.1) 0%, transparent 70%);
  top: -100px; right: -150px;
}
.blob-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(8,145,178,.08) 0%, transparent 70%);
  bottom: 0; left: -100px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 440px;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-light);
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 20px;
}
.hero-eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--blue);
  border-radius: 50%;
}
.hero-title {
  font-size: clamp(2.6rem, 5vw, 3.8rem);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 20px;
  color: var(--text);
}
.hero-title em {
  color: var(--blue);
  font-size: 1.05em;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--text-2);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 32px;
}
.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.hero-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.chip {
  font-size: .78rem;
  font-weight: 500;
  color: var(--text-2);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 50px;
}

/* Hero Image */
.hero-image { display: flex; justify-content: flex-end; }
.hero-img-frame {
  position: relative;
  width: 380px;
  max-width: 100%;
}
.hero-img-frame img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}
.hero-img-badge {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  padding: 10px 18px;
  border-radius: 50px;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
}

/* Hero scroll indicator */
.hero-scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-3);
}
.scroll-line {
  width: 1.5px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-3), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 1; } 50% { opacity: .3; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.about-left .section-label { margin-bottom: 12px; }
.about-left .section-title { margin-bottom: 20px; }
.about-text {
  font-size: 1.05rem;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 16px;
}
.about-stats {
  display: flex;
  gap: 32px;
  margin-top: 36px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.stat-num {
  display: block;
  font-family: 'Fraunces', serif;
  font-size: 2.4rem;
  font-weight: 300;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: .8rem;
  color: var(--text-3);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.about-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.about-card {
  padding: 24px;
  border-radius: var(--radius-md);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  transition: transform .2s, box-shadow .2s;
}
.about-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.ac-icon {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}
.about-card.ac-blue .ac-icon { background: var(--blue-light); color: var(--blue); }
.about-card.ac-teal .ac-icon { background: var(--teal-light); color: var(--teal); }
.about-card.ac-warm .ac-icon { background: var(--warm-light); color: var(--warm); }
.about-card.ac-purple .ac-icon { background: var(--purple-light); color: var(--purple); }
.about-card h4 { font-size: .95rem; font-weight: 600; margin-bottom: 4px; }
.about-card p { font-size: .82rem; color: var(--text-3); }

/* ============================================================
   TIMELINE / EXPERIENCE
   ============================================================ */
.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
}
.tl-item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 24px;
  margin-bottom: 32px;
}
.tl-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 6px;
}
.tl-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--border);
  border: 3px solid var(--bg-alt);
  flex-shrink: 0;
  box-shadow: 0 0 0 3px var(--border);
  transition: all .3s;
}
.tl-dot--active {
  background: var(--blue);
  box-shadow: 0 0 0 4px rgba(37,99,235,.2);
}
.tl-line {
  width: 2px;
  flex: 1;
  background: var(--border);
  margin-top: 8px;
  min-height: 40px;
}
.tl-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .25s, transform .25s;
}
.tl-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.tl-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}
.tl-tag {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 50px;
  background: var(--bg-alt);
  color: var(--text-3);
  margin-bottom: 6px;
}
.tl-tag--blue { background: var(--blue-light); color: var(--blue); }
.tl-role {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.tl-company {
  font-size: .85rem;
  color: var(--text-3);
  display: flex;
  align-items: center;
  gap: 5px;
}
.tl-date {
  font-size: .82rem;
  color: var(--text-3);
  white-space: nowrap;
  font-weight: 500;
}
.tl-list {
  margin-bottom: 20px;
}
.tl-list li {
  font-size: .9rem;
  color: var(--text-2);
  padding: 4px 0;
  padding-left: 14px;
  position: relative;
}
.tl-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--blue-mid);
}
.tl-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .83rem;
  font-weight: 600;
  color: var(--blue);
  padding: 7px 14px;
  border-radius: 50px;
  border: 1.5px solid var(--blue-mid);
  transition: background .2s, border-color .2s;
}
.tl-cta:hover { background: var(--blue-light); border-color: var(--blue); }

/* ============================================================
   PROJECTS
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.project-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform .25s, box-shadow .25s;
}
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project-card-top {
  padding: 28px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}
.pc-blue { background: var(--blue-light); }
.pc-teal { background: var(--teal-light); }
.pc-warm { background: var(--warm-light); }
.project-icon {
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.7);
  border-radius: var(--radius-sm);
}
.pc-blue .project-icon { color: var(--blue); }
.pc-teal .project-icon { color: var(--teal); }
.pc-warm .project-icon { color: var(--warm); }
.project-type {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--text-3);
  background: rgba(255,255,255,.6);
  padding: 4px 10px;
  border-radius: 50px;
}
.project-card-body {
  padding: 24px 28px;
  flex: 1;
}
.project-card-body h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.project-card-body p {
  font-size: .88rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 16px;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.project-tags span {
  font-size: .72rem;
  font-weight: 600;
  color: var(--text-3);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 50px;
}
.project-card-footer {
  padding: 0 28px 24px;
}

/* ============================================================
   EDUCATION
   ============================================================ */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 840px;
  margin: 0 auto;
}
.edu-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s;
}
.edu-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.edu-icon {
  width: 48px; height: 48px;
  background: var(--blue-light);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.edu-date {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-3);
  display: block;
  margin-bottom: 6px;
}
.edu-info h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 4px; }
.edu-school { font-size: .87rem; color: var(--blue); font-weight: 500; margin-bottom: 8px; }
.edu-detail { font-size: .83rem; color: var(--text-3); line-height: 1.5; }

/* ============================================================
   SKILLS
   ============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.skills-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.skills-block-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-2);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.skill-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pill {
  font-size: .82rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 50px;
}
.pill-blue { background: var(--blue-light); color: var(--blue); }
.pill-teal { background: var(--teal-light); color: var(--teal); }
.lang-list { display: flex; flex-direction: column; gap: 18px; }
.lang-item { display: grid; grid-template-columns: 80px 1fr 90px; align-items: center; gap: 12px; }
.lang-item span { font-size: .88rem; font-weight: 500; }
.lang-bar {
  height: 6px;
  background: var(--border);
  border-radius: 99px;
  overflow: hidden;
}
.lang-fill {
  height: 100%;
  background: linear-gradient(to right, var(--blue), var(--teal));
  border-radius: 99px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .8s cubic-bezier(.4,0,.2,1) .3s;
}
.lang-fill.animated { transform: scaleX(1); }
.lang-level { font-size: .78rem; color: var(--text-3); font-weight: 500; }

/* ============================================================
   CERTIFICATES
   ============================================================ */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: 840px;
  margin: 0 auto;
}
.cert-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s;
  min-height: 76px;
}
.cert-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

/* Left group: icon + text */
.cert-card-main {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
  min-width: 0; /* allows text truncation/wrap within flex */
}
.cert-icon {
  width: 40px;
  height: 40px;
  background: var(--blue-light);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.cert-text {
  min-width: 0;
  flex: 1;
}
.cert-text h4 {
  font-size: .9rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 2px;
  /* prevent orphan words on narrow cards */
  overflow-wrap: break-word;
}
.cert-text p {
  font-size: .78rem;
  color: var(--text-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Button: fixed width, always right-aligned */
.cert-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .78rem;
  font-weight: 600;
  color: var(--blue);
  white-space: nowrap;
  padding: 6px 13px;
  border-radius: 50px;
  border: 1.5px solid var(--blue-mid);
  transition: background .2s, border-color .2s;
  flex-shrink: 0;
  align-self: center;
}
.cert-link:hover { background: var(--blue-light); border-color: var(--blue); }

/* ============================================================
   INTERESTS
   ============================================================ */
.interests-row {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.interest-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 28px 24px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  min-width: 120px;
  transition: transform .2s, box-shadow .2s;
  cursor: default;
}
.interest-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.interest-icon {
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border-radius: var(--radius-sm);
  color: var(--blue);
  box-shadow: var(--shadow-sm);
}
.interest-item span { font-size: .88rem; font-weight: 600; color: var(--text-2); }

/* ============================================================
   DOWNLOADS
   ============================================================ */
.downloads-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}
.download-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s;
}
.download-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.dl-icon {
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-light);
  color: var(--blue);
  border-radius: var(--radius-sm);
}
.download-card h4 { font-size: .95rem; font-weight: 600; margin-bottom: 2px; }
.download-card p { font-size: .82rem; color: var(--text-3); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-section {
  background: linear-gradient(135deg, #1d4ed8 0%, #0891b2 100%);
  padding: 100px 0;
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.contact-text .section-title--light em {
  color: rgba(255,255,255,.8);
}
.contact-text p {
  font-size: 1.05rem;
  color: rgba(255,255,255,.75);
  margin: 20px 0 32px;
  line-height: 1.7;
}
.contact-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .9rem;
  font-weight: 500;
  color: rgba(255,255,255,.85);
  transition: color .2s;
}
.contact-link:hover { color: #fff; }
.contact-form-wrap {
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
}
.form-group input,
.form-group textarea {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-family: 'DM Sans', sans-serif;
  font-size: .92rem;
  color: #fff;
  outline: none;
  transition: border-color .2s, background .2s;
  resize: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,.35); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: rgba(255,255,255,.5);
  background: rgba(255,255,255,.15);
}
.form-success {
  display: none;
  color: #86efac;
  font-size: .88rem;
  font-weight: 600;
  text-align: center;
}
.form-success.visible { display: block; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--text);
  color: rgba(255,255,255,.5);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-logo {
  font-family: 'Fraunces', serif;
  font-size: 1.1rem;
  color: #fff;
  font-weight: 300;
}
.footer p { font-size: .83rem; }
.footer-links a {
  font-size: .83rem;
  color: rgba(255,255,255,.5);
  transition: color .2s;
}
.footer-links a:hover { color: #fff; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-image { justify-content: center; }
  .hero-img-frame { width: 300px; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .nav-links, .nav > .btn { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding-top: 100px; padding-bottom: 80px; }
  .hero-title { font-size: 2.4rem; }
  .projects-grid { grid-template-columns: 1fr; }
  .edu-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .cert-text p { white-space: normal; overflow: visible; text-overflow: unset; }
  .downloads-grid { grid-template-columns: 1fr; }
  .tl-item { grid-template-columns: 24px 1fr; gap: 16px; }
  .tl-card-header { flex-direction: column; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 24px; }
  .about-card-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .lang-item { grid-template-columns: 70px 1fr 80px; }
}
@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { text-align: center; justify-content: center; }
  .about-stats { flex-direction: column; gap: 16px; }
}