/* ============================================================
   style.css — Rajkumar Bhatt Portfolio
   Dark premium aesthetic: deep navy + electric blue accent
   Font pairing: Syne (display) + DM Sans (body)
   ============================================================ */

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

/* ── CSS Custom Properties ────────────────────────────────── */
:root {
  /* Colors */
  --clr-bg: #080f1a;
  --clr-bg-surface: #0d1b2e;
  --clr-bg-card: #0f2340;
  --clr-bg-card-alt: #091525;
  --clr-accent: #38bdf8;
  --clr-accent-glow: rgba(56, 189, 248, 0.18);
  --clr-accent-dim: rgba(56, 189, 248, 0.08);
  --clr-accent-hover: #7dd3fc;
  --clr-text-primary: #e8f0fe;
  --clr-text-body: #94a3b8;
  --clr-text-muted: #475569;
  --clr-border: rgba(56, 189, 248, 0.12);
  --clr-border-hover: rgba(56, 189, 248, 0.35);
  --clr-white: #ffffff;
  --clr-success: #4ade80;

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  /* Font sizes — fluid clamp scale */
  --fs-xs: clamp(0.75rem, 1.5vw, 0.85rem);
  --fs-sm: clamp(0.875rem, 1.8vw, 1rem);
  --fs-base: clamp(1rem, 2vw, 1.125rem);
  --fs-lg: clamp(1.125rem, 2.5vw, 1.35rem);
  --fs-xl: clamp(1.5rem, 3.5vw, 2rem);
  --fs-2xl: clamp(2rem, 5vw, 3rem);
  --fs-3xl: clamp(2.5rem, 7vw, 4.5rem);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Layout */
  --container-max: 1100px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 280ms ease;
  --transition-slow: 500ms ease;

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 24px rgba(56, 189, 248, 0.25);
}

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

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

body {
  background-color: var(--clr-bg);
  color: var(--clr-text-body);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--clr-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--clr-accent-hover);
}

ul {
  list-style: none;
}

/* ── Utility Classes ──────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--space-xs);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 800;
  color: var(--clr-text-primary);
  line-height: 1.15;
  margin-bottom: var(--space-md);
}

.section-title span {
  color: var(--clr-accent);
}

/* ── Scroll Fade-In Animation ─────────────────────────────── */
/* Elements start invisible and slide up; JS adds .visible */
.fade-in {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children inside a .stagger-group */
.stagger-group .fade-in:nth-child(1) {
  transition-delay: 0ms;
}

.stagger-group .fade-in:nth-child(2) {
  transition-delay: 100ms;
}

.stagger-group .fade-in:nth-child(3) {
  transition-delay: 200ms;
}

.stagger-group .fade-in:nth-child(4) {
  transition-delay: 300ms;
}

/* ── Navbar ───────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-sm) 0;
  background: transparent;
  transition: background var(--transition-base), box-shadow var(--transition-base), padding var(--transition-base);
}

#navbar.scrolled {
  background: rgba(8, 15, 26, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--clr-border), 0 4px 32px rgba(0, 0, 0, 0.6);
  padding: 0.6rem 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--clr-text-primary);
  letter-spacing: -0.03em;
  transition: color var(--transition-fast);
}

.nav-logo span {
  color: var(--clr-accent);
}

.nav-logo:hover {
  color: var(--clr-white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links a {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--clr-text-body);
  position: relative;
  padding-bottom: 3px;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--clr-accent);
  border-radius: 2px;
  transition: width var(--transition-base);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.1rem;
  padding-bottom: 8px !important;
  border-radius: var(--radius-sm);
  background: var(--clr-accent-dim);
  border: 1px solid var(--clr-border-hover);
  color: var(--clr-accent) !important;
  font-weight: 600;
  font-size: var(--fs-sm);
  transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast) !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: rgba(56, 189, 248, 0.16);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

/* Force SVG to block so flexbox vertical-centering is exact */
.nav-cta svg {
  display: block;
  flex-shrink: 0;
}

/* Hamburger — mobile only */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Hero Section ─────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 80px;
}

/* Animated grid background */
.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 100%);
  animation: grid-drift 20s linear infinite;
}

@keyframes grid-drift {
  0% {
    transform: translateY(0);
  }

  100% {
    transform: translateY(60px);
  }
}

/* Glowing orb behind hero text */
.hero-orb {
  position: absolute;
  width: 680px;
  height: 680px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.07) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--space-md);
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--clr-accent);
}

.hero-name {
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  font-weight: 800;
  color: var(--clr-white);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 0.3rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--clr-accent);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.hero-value {
  font-size: var(--fs-lg);
  color: var(--clr-text-body);
  max-width: 600px;
  margin-bottom: var(--space-xl);
  font-weight: 300;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Primary CTA button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: var(--clr-accent);
  color: #040d18;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-primary:hover {
  background: var(--clr-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(56, 189, 248, 0.45);
  color: #040d18;
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary:active {
  transform: translateY(0);
}

/* Ghost / secondary button */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  background: transparent;
  color: var(--clr-text-primary);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid var(--clr-border);
  cursor: pointer;
  transition: border-color var(--transition-base), color var(--transition-fast), background var(--transition-fast);
}

.btn-ghost:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  background: var(--clr-accent-dim);
}

/* Hero scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--clr-text-muted);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2.5s ease-in-out infinite;
  z-index: 1;
}

.hero-scroll svg {
  opacity: 0.5;
}

@keyframes bounce {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(8px);
  }
}

/* ── About Section ────────────────────────────────────────── */
#about {
  padding: var(--space-2xl) 0;
  background: var(--clr-bg-surface);
  position: relative;
}

#about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-border), transparent);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about-text p {
  font-size: var(--fs-base);
  color: var(--clr-text-body);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about-text p strong {
  color: var(--clr-text-primary);
  font-weight: 600;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.stat-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  text-align: center;
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

.stat-card:hover {
  border-color: var(--clr-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--clr-accent);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── Skills Section ───────────────────────────────────────── */
#skills {
  padding: var(--space-2xl) 0;
  background: var(--clr-bg);
}

.skills-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

.skill-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: 100px;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--clr-text-primary);
  cursor: default;
  transition: border-color var(--transition-base), background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

.skill-chip .chip-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.skill-chip:hover {
  border-color: var(--clr-accent);
  background: var(--clr-accent-dim);
  color: var(--clr-accent);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(56, 189, 248, 0.2);
}

/* ── Services Section ─────────────────────────────────────── */
#services {
  padding: var(--space-2xl) 0;
  background: var(--clr-bg-surface);
  position: relative;
}

#services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-border), transparent);
}

.services-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.service-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--clr-accent), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  border-color: var(--clr-border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--clr-accent-dim);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
  transition: background var(--transition-base), border-color var(--transition-base);
}

.service-card:hover .service-icon {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--clr-accent);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--clr-text-primary);
  margin-bottom: var(--space-xs);
}

.service-card p {
  font-size: var(--fs-sm);
  color: var(--clr-text-body);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.service-tag {
  font-size: var(--fs-xs);
  padding: 0.2rem 0.65rem;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: 100px;
  color: var(--clr-text-muted);
  font-weight: 500;
}

/* ── Why Hire Me Section ──────────────────────────────────── */
#why {
  padding: var(--space-2xl) 0;
  background: var(--clr-bg);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.why-header {
  position: sticky;
  top: 100px;
}

.why-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.why-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.why-item:hover {
  border-color: var(--clr-border-hover);
  transform: translateX(4px);
}

.why-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--clr-accent-dim);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.why-item h3 {
  font-family: var(--font-display);
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--clr-text-primary);
  margin-bottom: 0.25rem;
}

.why-item p {
  font-size: var(--fs-sm);
  color: var(--clr-text-body);
  line-height: 1.65;
}

/* ── Contact Section ──────────────────────────────────────── */
#contact {
  padding: var(--space-2xl) 0;
  background: var(--clr-bg-surface);
  position: relative;
}

#contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-border), transparent);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 800;
  color: var(--clr-text-primary);
  line-height: 1.15;
  margin-bottom: var(--space-md);
}

.contact-info p {
  color: var(--clr-text-body);
  font-size: var(--fs-base);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--clr-accent);
  margin-bottom: var(--space-lg);
}

.contact-email:hover {
  color: var(--clr-accent-hover);
}

.contact-socials {
  display: flex;
  gap: var(--space-sm);
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-body);
  transition: border-color var(--transition-base), color var(--transition-fast), transform var(--transition-base), box-shadow var(--transition-base);
}

.social-link:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.social-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Contact form */
.contact-form-wrapper {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-body);
  margin-bottom: 0.45rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--clr-bg-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  color: var(--clr-text-primary);
  outline: none;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--clr-text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px var(--clr-accent-glow);
}

.form-group textarea {
  min-height: 140px;
}

.form-submit {
  width: 100%;
  padding: 0.9rem;
  font-size: var(--fs-base);
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* Form success message */
#form-success {
  display: none;
  align-items: center;
  gap: 0.75rem;
  padding: var(--space-md);
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.25);
  border-radius: var(--radius-md);
  color: var(--clr-success);
  font-weight: 500;
  font-size: var(--fs-sm);
  margin-top: var(--space-md);
  animation: fadeInUp 0.4s ease;
}

#form-success.show {
  display: flex;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Footer ───────────────────────────────────────────────── */
footer {
  background: var(--clr-bg);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--clr-border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.footer-copy {
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
}

.footer-copy span {
  color: var(--clr-accent);
}

.footer-links {
  display: flex;
  gap: var(--space-md);
}

.footer-links a {
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--clr-accent);
}

/* ── Responsive — Tablet (768px) ──────────────────────────── */
@media (max-width: 900px) {

  .about-grid,
  .why-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .why-header {
    position: static;
  }

  .about-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ── Responsive — Mobile (480px) ──────────────────────────── */
@media (max-width: 640px) {
  :root {
    --space-2xl: 4rem;
  }

  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(8, 15, 26, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    z-index: 1001;
    /* Must exceed navbar (1000) to escape its stacking context */
  }

  /* On mobile: remove backdrop-filter from the scrolled navbar so it no longer
     creates a CSS stacking context that would trap the fixed overlay inside it */
  #navbar.scrolled {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(8, 15, 26, 0.98);
    /* solid instead of blurred */
  }

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

  .nav-links a {
    font-size: var(--fs-xl);
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .hero-cta-group {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-primary,
  .btn-ghost {
    width: 100%;
    justify-content: center;
  }

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

  /* Prevent stat cards from inflating the about-grid track via min-content */
  .about-grid>* {
    min-width: 0;
  }

  .about-stats {
    grid-template-columns: 1fr 1fr;
  }

  .stat-card {
    padding: var(--space-sm) var(--space-sm);
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}