/* ============================================
   DevPortfolio – Main Stylesheet
   Minimalist · Professional · Developer-focused
   ============================================ */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=DM+Mono:ital,wght@0,300;0,400;0,500;1,300&family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

/* ---- CSS Variables ---- */
:root {
  --color-bg: #F9F9F8;
  --color-surface: #FFFFFF;
  --color-border: #E4E4E0;
  --color-text-primary: #111110;
  --color-text-secondary: #6B6B67;
  --color-text-muted: #A0A09C;
  --color-accent: #111110;
  --color-accent-hover: #333330;
  --color-tag-bg: #F0F0EE;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 7rem;
  --space-2xl: 10rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --max-width: 1140px;
  --transition: all 0.22s ease;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.7;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, textarea, select { font-family: var(--font-body); }

/* ---- Container ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- Typography ---- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--color-text-muted);
}

.section-title {
  font-size: clamp(1.75rem, 6vw, 3rem);
  margin-bottom: 1rem;
  color: var(--color-text-primary);
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 560px;
  font-weight: 300;
  line-height: 1.6;
}

section {
  padding: var(--space-xl) 0;
}

/* ---- Divider ---- */
.section-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0;
}

/* ============================================
   HEADER / NAV
   ============================================ */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(249, 249, 248, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

#site-header.scrolled {
  border-bottom-color: var(--color-border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
}

.site-logo span {
  color: var(--color-text-muted);
}

/* Desktop nav */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  letter-spacing: 0.01em;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--color-text-primary); }

.nav-cta {
  font-size: 0.8rem !important;
  font-weight: 500 !important;
  padding: 0.5rem 1.25rem;
  background: var(--color-text-primary);
  color: #fff !important;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-cta:hover {
  background: var(--color-accent-hover);
}

/* Mobile hamburger */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 6px 4px;
  z-index: 200;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-text-primary);
  transition: var(--transition);
}

/* ============================================
   HERO
   ============================================ */
#hero {
  padding-top: calc(4rem + 60px);
  padding-bottom: 4rem;
  position: relative;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--color-border) 1px, transparent 1px),
    linear-gradient(to bottom, var(--color-border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.4;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
  margin-bottom: 1.75rem;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #3ECF8E;
  flex-shrink: 0;
}

.hero-title {
  font-size: clamp(1.65rem, 5.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  max-width: 820px;
}

.hero-title em {
  font-style: italic;
  font-weight: 700;
  color: var(--color-text-secondary);
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 520px;
  margin-bottom: 2rem;
  font-weight: 300;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  background: var(--color-text-primary);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  border: 1px solid var(--color-text-primary);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 400;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  border: 1px solid var(--color-border);
  white-space: nowrap;
}

.btn-secondary:hover {
  border-color: var(--color-text-primary);
  color: var(--color-text-primary);
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.35rem;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

/* ============================================
   ABOUT
   ============================================ */
#about {
  background: var(--color-surface);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 5rem;
  align-items: start;
}

.about-intro {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.about-body {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.about-attributes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 2rem;
}

.attribute-item {
  background: var(--color-surface);
  padding: 1.25rem;
}

.attribute-icon { font-size: 1.1rem; margin-bottom: 0.5rem; }

.attribute-title {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.attribute-desc {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.availability-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  background: var(--color-tag-bg);
  border: 1px solid var(--color-border);
  padding: 0.5rem 1rem;
  border-radius: 100px;
  margin-top: 2rem;
}

.availability-chip::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #3ECF8E;
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ============================================
   WHAT I DELIVER
   ============================================ */
#what-i-deliver {
  background: var(--color-bg);
}

.deliver-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 5rem;
  align-items: start;
}

.deliver-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.deliver-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-surface);
  transition: background 0.2s;
}

.deliver-item:hover { background: #FAFAF9; }

.deliver-marker {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  flex-shrink: 0;
  padding-top: 0.2rem;
  width: 20px;
}

.deliver-title {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
  letter-spacing: -0.01em;
}

.deliver-desc {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================
   PROJECTS
   ============================================ */
#projects {
  background: var(--color-bg);
}

.projects-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 3rem;
  gap: 2rem;
  flex-wrap: wrap;
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.project-card {
  background: var(--color-surface);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: background 0.2s;
}

.project-card:hover { background: #FAFAF9; }

.project-number {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
}

.project-type {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.project-overview {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.project-impact {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  padding: 0.85rem 1rem;
  border-left: 2px solid var(--color-text-primary);
  background: var(--color-tag-bg);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 1.25rem;
}

.impact-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  font-weight: 500;
  margin-right: 0.4rem;
}

.project-objective {
  background: var(--color-tag-bg);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.1rem;
  margin-bottom: 1.25rem;
}

.project-objective-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.3rem;
}

.project-objective-text {
  font-size: 0.83rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.project-features { margin-bottom: 1.25rem; }

.project-features-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.65rem;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.feature-list li {
  font-size: 0.83rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  line-height: 1.4;
}

.feature-list li::before {
  content: '→';
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.28rem 0.65rem;
  background: var(--color-tag-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
}

.project-footer {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

.btn-live {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-primary);
  padding: 0.6rem 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.btn-live:hover {
  background: var(--color-text-primary);
  color: #fff;
  border-color: var(--color-text-primary);
}

.btn-live svg {
  width: 12px;
  height: 12px;
  transition: transform 0.2s;
}

.btn-live:hover svg { transform: translate(1px, -1px); }

/* ============================================
   SKILLS
   ============================================ */
#skills {
  background: var(--color-text-primary);
  color: #fff;
}

#skills .section-label { color: rgba(255,255,255,0.35); }
#skills .section-label::before { background: rgba(255,255,255,0.35); }
#skills .section-title { color: #fff; }
#skills .section-subtitle { color: rgba(255,255,255,0.5); }

.skills-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
  align-items: start;
  margin-top: 3rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.skill-item {
  background: var(--color-text-primary);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.2s;
  cursor: default;
}

.skill-item:hover { background: #1A1A18; }

.skill-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
}

.skill-bar-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.skill-bar {
  width: 80px;
  height: 2px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  background: rgba(255,255,255,0.7);
  border-radius: 2px;
}

.skill-pct {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.05em;
  width: 32px;
  text-align: right;
}

.skills-philosophy {
  font-size: 1.4rem;
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.4;
  color: #fff;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.skills-philosophy em {
  color: rgba(255,255,255,0.4);
  font-style: italic;
}

.skills-desc {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.skills-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skills-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  padding: 0.4rem 0.85rem;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 100px;
  color: rgba(255,255,255,0.6);
}

/* ============================================
   PROCESS
   ============================================ */
#process {
  background: var(--color-surface);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 3rem;
}

.process-step {
  background: var(--color-surface);
  padding: 1.75rem 1.5rem 2rem;
}

.step-number {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.step-icon { font-size: 1.25rem; margin-bottom: 0.75rem; }

.step-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.step-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================
   AVAILABILITY
   ============================================ */
#availability {
  background: var(--color-bg);
}

.availability-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.availability-headline {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.availability-text {
  font-size: 0.93rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: 1.75rem;
}

.availability-days {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.day-chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  padding: 0.4rem 0.85rem;
  border-radius: 100px;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: var(--color-tag-bg);
}

.day-chip.active {
  background: var(--color-text-primary);
  color: #fff;
  border-color: var(--color-text-primary);
}

.avail-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.avail-list-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.avail-list-icon { font-size: 1rem; flex-shrink: 0; margin-top: 0.05rem; }

.avail-list-title {
  font-weight: 500;
  font-size: 0.88rem;
  margin-bottom: 0.2rem;
}

.avail-list-desc {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ============================================
   CONTACT
   ============================================ */
#contact {
  background: var(--color-surface);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
  align-items: start;
}

.contact-email {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.contact-email a {
  color: var(--color-text-primary);
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1px;
  transition: border-color 0.2s;
  word-break: break-all;
}

.contact-email a:hover { border-color: var(--color-text-primary); }

.contact-closing {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-top: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 0.85rem 1rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem; /* prevents iOS zoom on focus */
  font-weight: 300;
  color: var(--color-text-primary);
  transition: border-color 0.2s;
  outline: none;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-text-primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-submit { margin-top: 0.5rem; }

/* ============================================
   FOOTER
   ============================================ */
#site-footer {
  background: var(--color-text-primary);
  color: rgba(255,255,255,0.5);
  padding: 2.5rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.04em;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  transition: color 0.2s;
}

.footer-links a:hover { color: rgba(255,255,255,0.8); }

/* ============================================
   FORM SUCCESS STATE
   ============================================ */
.form-success {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  display: none;
}

.form-success.visible { display: block; }

.form-success h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: #166534;
}

.form-success p {
  font-size: 0.9rem;
  color: #15803d;
}

/* ============================================
   TABLET  (max 900px)
   ============================================ */
@media (max-width: 900px) {

  section { padding: 5rem 0; }

  .about-grid,
  .deliver-grid,
  .contact-layout,
  .skills-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

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

  .availability-card {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2.5rem;
  }

  .projects-header {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 2rem;
  }

  .hero-stats { gap: 2rem; }

  .skills-layout { margin-top: 2rem; }
}

/* ============================================
   MOBILE  (max 480px) – iPhone / Android
   ============================================ */
@media (max-width: 480px) {

  /* Root spacing */
  :root {
    --space-xl: 3.5rem;
    --radius-lg: 12px;
    --radius-md: 8px;
  }

  section { padding: 3.5rem 0; }

  .container { padding: 0 1.1rem; }

  /* ---- Nav ---- */
  .menu-toggle { display: flex; }

  .nav-links {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-surface);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    z-index: 99;
    padding: 2rem;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-text-primary);
  }

  .nav-cta {
    font-size: 1rem !important;
    padding: 0.7rem 2rem;
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  /* ---- Hero ---- */
  #hero {
    padding-top: calc(3rem + 60px);
    padding-bottom: 3rem;
  }

  .hero-badge { margin-bottom: 1.25rem; }

  .hero-title {
    font-size: clamp(1.6rem, 8vw, 2.25rem);
    line-height: 1.12;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
  }

  .hero-subtitle {
    font-size: 0.95rem;
    margin-bottom: 1.75rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
    padding: 0.9rem 1.5rem;
  }

  .hero-stats {
    gap: 1.5rem;
    margin-top: 2rem;
    padding-top: 1.75rem;
  }

  .stat-number { font-size: 1.6rem; }
  .stat-label { font-size: 0.7rem; }

  /* ---- Section headings ---- */
  .section-title { font-size: clamp(1.5rem, 7vw, 2rem); }
  .section-subtitle { font-size: 0.92rem; }

  /* ---- About ---- */
  .about-grid { gap: 2rem; }

  .about-attributes {
    grid-template-columns: 1fr;
    margin-top: 1.5rem;
  }

  .attribute-item { padding: 1rem; }

  .availability-chip {
    font-size: 0.65rem;
    margin-top: 1.5rem;
  }

  /* ---- What I Deliver ---- */
  .deliver-grid { gap: 2rem; }

  .deliver-item {
    padding: 1rem 1.1rem;
    gap: 1rem;
  }

  /* ---- Projects ---- */
  .projects-grid { grid-template-columns: 1fr; }

  .project-card { padding: 1.5rem; }

  .project-title { font-size: 1.15rem; }

  .projects-header { margin-bottom: 1.75rem; }

  /* ---- Skills ---- */
  .skills-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 1.75rem;
  }

  .skill-item { padding: 1rem 1.25rem; }

  .skill-name { font-size: 0.88rem; }

  .skill-bar { width: 60px; }

  .skills-philosophy { font-size: 1.2rem; }

  /* ---- Process ---- */
  .process-grid {
    grid-template-columns: 1fr;
    margin-top: 2rem;
  }

  .process-step { padding: 1.5rem 1.25rem; }

  /* ---- Availability ---- */
  .availability-card {
    padding: 1.75rem 1.25rem;
    grid-template-columns: 1fr;
    gap: 1.75rem;
    border-radius: var(--radius-lg);
  }

  .availability-headline {
    font-size: clamp(1.25rem, 6vw, 1.65rem);
  }

  .availability-days { gap: 0.35rem; }

  .day-chip {
    font-size: 0.65rem;
    padding: 0.35rem 0.7rem;
  }

  .avail-list-item { padding: 1rem; }

  /* ---- Contact ---- */
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .form-row { grid-template-columns: 1fr; }

  .contact-email { font-size: 0.78rem; }

  /* ---- Footer ---- */
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }

  .footer-links {
    gap: 1rem;
    flex-wrap: wrap;
  }
}