/* ═══════════════════════════════════════════════════════════
   RAHAT EDIT'S — style.css
   Clean, minimal, bluish gradient portfolio website
   ═══════════════════════════════════════════════════════════ */

/* ── VARIABLES ── */
:root {
  --bg:           #e8f0fe;
  --bg2:          #d0e2ff;
  --bg3:          #c7d9ff;
  --surface:      rgba(255, 255, 255, 0.75);
  --surface-s:    #f0f5ff;
  --dark:         #0d1b3e;
  --dark2:        #1a3478;
  --text:         #0d1b3e;
  --muted:        #4a5f8a;
  --accent:       #3b6cf7;
  --accent-lt:    #6b93ff;
  --accent-glow:  rgba(59, 108, 247, 0.2);
  --border:       rgba(59, 108, 247, 0.15);
  --border-s:     #c5d5f8;
  --nav-h:        72px;
  --radius:       16px;
  --radius-sm:    10px;
  --radius-pill:  100px;
  --shadow:       0 20px 60px rgba(59, 108, 247, 0.15);
  --transition:   0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --spring:       0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
  font-family: 'DM Sans', sans-serif;
  background: linear-gradient(160deg, var(--bg) 0%, var(--bg2) 40%, var(--bg3) 70%, var(--bg) 100%);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

/* Page load curtain */
body::before {
  content: '';
  position: fixed; inset: 0;
  background: var(--accent);
  z-index: 9999;
  transform-origin: top;
  animation: curtainUp 0.85s cubic-bezier(0.77, 0, 0.18, 1) 0.1s forwards;
  pointer-events: none;
}
@keyframes curtainUp {
  from { transform: scaleY(1); }
  to   { transform: scaleY(0); }
}

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }

/* ── TYPOGRAPHY ── */
h1, h2, h3 { font-family: 'DM Serif Display', serif; line-height: 1.1; letter-spacing: -0.5px; }
h1 { font-size: clamp(2.6rem, 7vw, 5.2rem); letter-spacing: -1.5px; }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.05rem; font-weight: 600; font-family: 'DM Sans', sans-serif; }
p  { color: var(--muted); }

em {
  font-style: italic;
  background: linear-gradient(135deg, var(--accent), var(--accent-lt));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.8rem 2rem;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 500;
  font-family: 'DM Sans', sans-serif;
  box-shadow: 0 4px 20px var(--accent-glow);
  transition: background var(--transition), transform var(--spring), box-shadow var(--transition);
}
.btn-primary:hover {
  background: #2554e0;
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(59, 108, 247, 0.4);
}

.btn-secondary {
  display: inline-block;
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
  padding: 0.8rem 2rem;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 500;
  border: 1.5px solid var(--border);
  backdrop-filter: blur(8px);
  transition: all var(--transition);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(255, 255, 255, 0.95);
  transform: translateY(-3px);
}

/* ── SECTION COMMONS ── */
section { padding: 6rem 5%; }

.section-head { max-width: 560px; margin-bottom: 3.5rem; }
.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}
.section-title { color: var(--text); margin-bottom: 0.8rem; }
.section-sub { font-size: 0.95rem; font-weight: 300; }

/* ── SCROLL REVEAL CLASSES ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal-left {
  opacity: 0;
  transform: translateX(-36px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal-right {
  opacity: 0;
  transform: translateX(36px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible,
.reveal-left.visible,
.reveal-right.visible { opacity: 1; transform: none; }

.stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.34, 1.2, 0.64, 1);
}
.stagger.visible > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 0.06s; }
.stagger.visible > *:nth-child(2) { opacity: 1; transform: none; transition-delay: 0.14s; }
.stagger.visible > *:nth-child(3) { opacity: 1; transform: none; transition-delay: 0.22s; }
.stagger.visible > *:nth-child(4) { opacity: 1; transform: none; transition-delay: 0.30s; }
.stagger.visible > *:nth-child(5) { opacity: 1; transform: none; transition-delay: 0.38s; }
.stagger.visible > *:nth-child(6) { opacity: 1; transform: none; transition-delay: 0.46s; }

/* ════════════════════════════════════
   NAV
════════════════════════════════════ */
#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(232, 240, 254, 0.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%;
  z-index: 200;
  animation: fadeDown 0.7s 0.8s ease both;
  transition: background var(--transition), box-shadow var(--transition);
}
#navbar.scrolled {
  background: rgba(200, 220, 255, 0.95);
  box-shadow: 0 4px 30px rgba(59, 108, 247, 0.1);
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: none; }
}

.logo {
  font-family: 'DM Serif Display', serif;
  font-size: 1.4rem;
  letter-spacing: -0.5px;
  color: var(--text);
  flex-shrink: 0;
}
.logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  transition: color var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute; bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--accent); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

.nav-cta {
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1.3rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: 0 3px 14px var(--accent-glow);
  transition: background var(--transition), transform var(--spring), box-shadow var(--transition);
}
.nav-cta:hover {
  background: #2554e0;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59, 108, 247, 0.4);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ════════════════════════════════════
   HOME / HERO
════════════════════════════════════ */
#home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-h) + 3rem) 5% 5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Floating orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: floatOrb 9s ease-in-out infinite;
}
.orb1 { width: 520px; height: 520px; background: rgba(59, 108, 247, 0.15); top: -120px; left: -120px; animation-delay: 0s; }
.orb2 { width: 420px; height: 420px; background: rgba(107, 147, 255, 0.12); bottom: -100px; right: -80px; animation-delay: -3.5s; }
.orb3 { width: 320px; height: 320px; background: rgba(59, 108, 247, 0.09); top: 45%; left: 45%; animation-delay: -6s; }

@keyframes floatOrb {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(-35px) scale(1.06); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 860px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 0.35rem 1.1rem;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 500;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
  animation: fadeUp 0.7s 1s ease both;
}
.pulse-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  animation: pulseDot 2.2s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(59, 108, 247, 0.5); }
  50%       { box-shadow: 0 0 0 7px rgba(59, 108, 247, 0); }
}

#home h1 { animation: fadeUp 0.7s 1.1s ease both; }
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.15rem);
  max-width: 520px;
  margin: 1.5rem auto 2.5rem;
  font-weight: 300;
  animation: fadeUp 0.7s 1.25s ease both;
}
.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  animation: fadeUp 0.7s 1.4s ease both;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-top: 4rem;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  animation: fadeUp 0.7s 1.55s ease both;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: 'DM Serif Display', serif;
  font-size: 2.1rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-lt));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 0.78rem; color: var(--muted); letter-spacing: 0.4px; }
.stat-line { width: 1px; height: 40px; background: var(--border-s); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: none; }
}

/* ════════════════════════════════════
   SERVICES
════════════════════════════════════ */
#services {
  background: linear-gradient(180deg, rgba(255,255,255,0.45) 0%, rgba(208,226,255,0.5) 100%);
  backdrop-filter: blur(10px);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.service-card {
  padding: 2.2rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  transition: background var(--transition), transform var(--spring), box-shadow var(--transition), border-color var(--transition);
  cursor: default;
}
.service-card:hover {
  background: rgba(255, 255, 255, 0.96);
  transform: translateY(-7px) scale(1.01);
  box-shadow: var(--shadow);
  border-color: rgba(59, 108, 247, 0.3);
}
.service-icon {
  font-size: 1.9rem;
  margin-bottom: 1.2rem;
  display: block;
  transition: transform var(--spring);
}
.service-card:hover .service-icon { transform: scale(1.2) rotate(-6deg); }
.service-card h3 { margin-bottom: 0.5rem; color: var(--text); }
.service-card p  { font-size: 0.875rem; line-height: 1.65; }

/* ════════════════════════════════════
   PORTFOLIO
════════════════════════════════════ */
#portfolio {
  background: linear-gradient(180deg, var(--bg2) 0%, var(--bg3) 60%, var(--bg2) 100%);
}

.portfolio-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.2rem;
}

.portfolio-item {
  background: rgba(255, 255, 255, 0.72);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(8px);
  transition: transform var(--spring), box-shadow var(--transition);
  cursor: pointer;
}
.portfolio-item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 28px 70px rgba(59, 108, 247, 0.22);
}

.portfolio-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
/* Gradient backgrounds — replace with real video thumbnails */
.thumb-1 { background: linear-gradient(135deg, #1a1f2e, #2d3561); }
.thumb-2 { background: linear-gradient(135deg, #1e1a2e, #3d2961); }
.thumb-3 { background: linear-gradient(135deg, #0d2060, #1a3478); }
.thumb-4 { background: linear-gradient(135deg, #1a2e4a, #2961a0); }
.thumb-5 { background: linear-gradient(135deg, #0d1b3e, #2554e0); }
.thumb-6 { background: linear-gradient(135deg, #1a1f3e, #3b52a0); }

.video-placeholder {
  position: absolute; inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.play-circle {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  transition: background var(--transition), transform var(--spring), box-shadow var(--transition);
}
.portfolio-item:hover .play-circle {
  background: var(--accent);
  transform: scale(1.18);
  box-shadow: 0 0 32px rgba(59, 108, 247, 0.55);
  border-color: transparent;
}
.thumb-hint { font-size: 0.75rem; color: rgba(255,255,255,0.5); }

.portfolio-info { padding: 1.2rem 1.4rem; }
.portfolio-info h3 { font-size: 0.95rem; margin-bottom: 0.3rem; }
.portfolio-info p  { font-size: 0.8rem; }
.tag {
  display: inline-block;
  background: rgba(59, 108, 247, 0.1);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.22rem 0.7rem;
  border-radius: var(--radius-pill);
  margin-top: 0.6rem;
  border: 1px solid rgba(59, 108, 247, 0.2);
  letter-spacing: 0.3px;
}

/* ════════════════════════════════════
   TESTIMONIALS
════════════════════════════════════ */
#testimonials {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 50%, #0d2060 100%);
  position: relative;
  overflow: hidden;
}
#testimonials::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(59,108,247,0.22) 0%, transparent 70%);
  pointer-events: none;
}
#testimonials .section-label { color: var(--accent-lt); }
#testimonials .section-title { color: #fff; }
#testimonials .section-head { position: relative; z-index: 1; }

.testi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.2rem;
  position: relative; z-index: 1;
}
.testi-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(107,147,255,0.2);
  border-radius: var(--radius);
  padding: 2rem;
  backdrop-filter: blur(10px);
  transition: background var(--transition), transform var(--spring), box-shadow var(--transition);
}
.testi-card:hover {
  background: rgba(255,255,255,0.11);
  transform: translateY(-7px);
  box-shadow: 0 24px 60px rgba(59,108,247,0.22);
}
.stars { color: var(--accent-lt); letter-spacing: 2px; margin-bottom: 1rem; font-size: 0.9rem; }
.testi-text { font-size: 0.9rem; color: rgba(255,255,255,0.75); line-height: 1.8; font-style: italic; font-weight: 300; }
.testi-author { margin-top: 1.5rem; display: flex; align-items: center; gap: 0.8rem; }
.avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-lt));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.85rem; color: #fff;
  flex-shrink: 0;
}
.testi-name  { font-size: 0.875rem; font-weight: 600; color: #fff; }
.testi-role  { font-size: 0.775rem; color: rgba(255,255,255,0.42); }

/* ════════════════════════════════════
   ABOUT
════════════════════════════════════ */
#about {
  background: linear-gradient(180deg, var(--bg3) 0%, var(--bg2) 100%);
}
.about-wrap {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 5rem;
  align-items: center;
}
.about-img-box {
  position: relative;
  max-width: 380px;
}
.about-photo-placeholder {
  aspect-ratio: 4/5;
  background: linear-gradient(135deg, var(--dark), var(--dark2));
  border-radius: var(--radius);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem; gap: 0.4rem;
  border: 2px dashed rgba(107,147,255,0.3);
}
.about-photo-placeholder span { font-size: 1rem; font-weight: 600; color: rgba(255,255,255,0.7); }
.about-photo-placeholder p   { font-size: 0.78rem; color: rgba(255,255,255,0.35); }
/* When you add your real photo, it will look like:
   .about-img-box img { width:100%; border-radius: var(--radius); } */

.about-badge {
  position: absolute;
  bottom: -18px; right: -18px;
  background: var(--accent);
  color: #fff;
  padding: 1rem 1.3rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 12px 30px rgba(59,108,247,0.35);
  text-align: center;
  min-width: 100px;
}
.badge-num  { display: block; font-family: 'DM Serif Display', serif; font-size: 1.8rem; line-height: 1; }
.badge-text { font-size: 0.72rem; font-weight: 500; opacity: 0.85; line-height: 1.3; }

.about-text .section-title { margin-bottom: 1.2rem; }
.about-text p { font-size: 0.95rem; margin-bottom: 1rem; line-height: 1.8; }
.about-text em { font-style: italic; -webkit-text-fill-color: initial; background: none; color: var(--accent); }

.about-skills {
  display: flex; flex-wrap: wrap; gap: 0.6rem;
  margin-top: 1.5rem;
}
.skill-pill {
  background: rgba(59,108,247,0.1);
  color: var(--accent);
  border: 1px solid rgba(59,108,247,0.2);
  border-radius: var(--radius-pill);
  padding: 0.35rem 1rem;
  font-size: 0.82rem;
  font-weight: 500;
  transition: all var(--transition);
}
.skill-pill:hover {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
}

/* ════════════════════════════════════
   CONTACT
════════════════════════════════════ */
#contact {
  background: linear-gradient(180deg, var(--bg2) 0%, var(--bg) 100%);
}
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: start;
}

.contact-info h3 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.7rem;
  color: var(--text);
  margin-bottom: 1rem;
}
.contact-info > p { font-size: 0.95rem; margin-bottom: 2rem; line-height: 1.8; }

.contact-details { display: flex; flex-direction: column; gap: 1.1rem; margin-bottom: 2rem; }
.contact-item { display: flex; align-items: flex-start; gap: 1rem; }
.contact-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 2px; }
.contact-label { font-size: 0.72rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--muted); margin-bottom: 0.15rem; }
.contact-item a, .contact-item span { font-size: 0.9rem; color: var(--text); font-weight: 500; }
.contact-item a:hover { color: var(--accent); }

.direct-btns { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.btn-email, .btn-whatsapp {
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 500;
  font-family: 'DM Sans', sans-serif;
  transition: all var(--spring);
}
.btn-email {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 18px var(--accent-glow);
}
.btn-email:hover { background: #2554e0; transform: translateY(-3px); box-shadow: 0 10px 28px rgba(59,108,247,0.4); }
.btn-whatsapp {
  background: #25d366;
  color: #fff;
  box-shadow: 0 4px 18px rgba(37,211,102,0.25);
}
.btn-whatsapp:hover { background: #1fb558; transform: translateY(-3px); box-shadow: 0 10px 28px rgba(37,211,102,0.35); }

/* Form */
.contact-form {
  background: rgba(255,255,255,0.72);
  border: 1.5px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem;
  backdrop-filter: blur(14px);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.8rem; font-weight: 600; color: var(--text); letter-spacing: 0.3px; }
.form-group input,
.form-group textarea,
.form-group select {
  background: rgba(255,255,255,0.85);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  font-family: 'DM Sans', sans-serif;
  color: var(--text);
  outline: none;
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition), transform 0.2s ease;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(59,108,247,0.1);
  transform: translateY(-1px);
}
.form-group textarea { min-height: 115px; resize: vertical; }

.submit-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-pill);
  padding: 0.9rem 2.2rem;
  font-size: 0.95rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  cursor: pointer;
  align-self: flex-start;
  box-shadow: 0 4px 20px var(--accent-glow);
  transition: background var(--transition), transform var(--spring), box-shadow var(--transition);
}
.submit-btn:hover { background: #2554e0; transform: translateY(-3px) scale(1.03); box-shadow: 0 10px 30px rgba(59,108,247,0.4); }
.submit-btn:disabled { opacity: 0.65; cursor: not-allowed; transform: none; }

.form-note { font-size: 0.82rem; color: var(--muted); min-height: 1.2rem; }
.form-note.success { color: #1a8a4a; }
.form-note.error   { color: #c0392b; }

/* ════════════════════════════════════
   FOOTER
════════════════════════════════════ */
footer {
  background: linear-gradient(135deg, var(--dark), var(--dark2));
  padding: 2.5rem 5%;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
footer .logo { color: #fff; }
footer .logo span { color: var(--accent-lt); }
footer p { font-size: 0.8rem; color: rgba(255,255,255,0.4); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: 0.82rem; color: rgba(255,255,255,0.45); transition: color var(--transition); }
.footer-links a:hover { color: var(--accent-lt); }

/* ════════════════════════════════════
   RESPONSIVE — TABLET
════════════════════════════════════ */
@media (max-width: 900px) {
  .about-wrap    { grid-template-columns: 1fr; gap: 3rem; }
  .about-img-box { max-width: 340px; margin: 0 auto; }
  .contact-wrap  { grid-template-columns: 1fr; gap: 3rem; }
}

/* ════════════════════════════════════
   RESPONSIVE — MOBILE
════════════════════════════════════ */
@media (max-width: 680px) {
  section { padding: 4.5rem 5%; }

  /* Nav mobile */
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(220,232,255,0.97);
    backdrop-filter: blur(18px);
    flex-direction: column;
    padding: 1.5rem 5%;
    gap: 0;
    border-bottom: 1px solid var(--border);
    z-index: 199;
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-bottom: 1px solid var(--border); }
  .nav-link { display: block; padding: 1rem 0; font-size: 1rem; }
  .hamburger { display: flex; }
  .nav-cta   { display: none; }

  h1 { font-size: 2.4rem; letter-spacing: -0.5px; }
  .hero-stats { gap: 1.5rem; }
  .stat-line { display: none; }

  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 1.5rem; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .services-grid  { grid-template-columns: 1fr; }
  .testi-grid     { grid-template-columns: 1fr; }

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

  .portfolio-top { flex-direction: column; align-items: flex-start; }
  .direct-btns { flex-direction: column; }
  .btn-email, .btn-whatsapp { text-align: center; }
}