/* ================================================================
   SMART AGRICULTURE AI — style.css
   Dark + Green futuristic theme with glassmorphism & animations
   ================================================================ */

/* ---------------------------------------------------------------
   CSS Variables & Reset
--------------------------------------------------------------- */
:root {
  --bg-dark:        #050e0a;
  --bg-card:        rgba(10, 30, 18, 0.75);
  --bg-card-solid:  #0a1e12;
  --green-400:      #4ade80;
  --green-500:      #22c55e;
  --green-600:      #16a34a;
  --green-glow:     rgba(74, 222, 128, 0.35);
  --green-glow-sm:  rgba(74, 222, 128, 0.15);
  --accent:         #a3e635;       /* lime accent */
  --text-primary:   #e8f5e9;
  --text-secondary: #86a898;
  --border:         rgba(74, 222, 128, 0.15);
  --border-glow:    rgba(74, 222, 128, 0.45);
  --font-display:   'Orbitron', monospace;
  --font-heading:   'Syne', sans-serif;
  --font-body:      'Inter', sans-serif;
  --radius:         16px;
  --radius-sm:      10px;
  --transition:     0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-dark);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ---------------------------------------------------------------
   CANVAS BACKGROUND
--------------------------------------------------------------- */
#bgCanvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ---------------------------------------------------------------
   TYPOGRAPHY UTILITIES
--------------------------------------------------------------- */
.gradient-text {
  background: linear-gradient(135deg, var(--green-400), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.accent { color: var(--green-400); }

/* ---------------------------------------------------------------
   SCROLLBAR
--------------------------------------------------------------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--green-600); border-radius: 99px; }

/* ---------------------------------------------------------------
   NAVBAR
--------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.2rem 2rem;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(5, 14, 10, 0.9);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 2rem;
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

.nav-container {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--green-500), var(--accent));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 0 18px var(--green-glow);
  animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
  0%, 100% { box-shadow: 0 0 18px var(--green-glow); }
  50%       { box-shadow: 0 0 30px rgba(74,222,128,0.55); }
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1px;
}

/* Nav links */
.nav-links {
  display: flex;
  list-style: none;
  gap: 0.25rem;
}

.nav-link {
  position: relative;
  padding: 0.5rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 8px;
  transition: var(--transition);
  letter-spacing: 0.5px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%; right: 50%;
  height: 2px;
  background: linear-gradient(90deg, var(--green-400), var(--accent));
  border-radius: 99px;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--green-400);
}

.nav-link:hover::after,
.nav-link.active::after {
  left: 10%; right: 10%;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.hamburger span {
  width: 26px; height: 2px;
  background: var(--green-400);
  border-radius: 99px;
  transition: var(--transition);
}

/* ---------------------------------------------------------------
   HERO
--------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  padding: 8rem 5% 4rem;
  overflow: hidden;
  z-index: 1;
}

/* Floating orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  animation: orbFloat 8s ease-in-out infinite;
}
.orb1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #16a34a, transparent 70%);
  top: -100px; left: -100px;
}
.orb2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #4ade80, transparent 70%);
  bottom: -80px; right: 10%;
  animation-delay: -3s;
}
.orb3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #a3e635, transparent 70%);
  top: 40%; left: 40%;
  animation-delay: -5s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(30px, -30px) scale(1.08); }
  66%       { transform: translate(-20px, 20px) scale(0.95); }
}

/* Hero content */
.hero-content {
  flex: 1;
  max-width: 640px;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid var(--border-glow);
  padding: 0.45rem 1.1rem;
  border-radius: 99px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--green-400);
  letter-spacing: 0.5px;
  margin-bottom: 1.5rem;
  animation: badgePulse 3s ease-in-out infinite;
}

@keyframes badgePulse {
  0%, 100% { box-shadow: 0 0 0 rgba(74,222,128,0); }
  50%       { box-shadow: 0 0 20px rgba(74,222,128,0.25); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.12;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 2.2rem;
  line-height: 1.75;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

/* Primary button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 2rem;
  background: linear-gradient(135deg, var(--green-500), var(--accent));
  color: #050e0a;
  font-weight: 700;
  font-size: 0.92rem;
  border-radius: 12px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: 0 0 25px rgba(74,222,128,0.4);
  letter-spacing: 0.3px;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.25), transparent);
  opacity: 0;
  transition: var(--transition);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 45px rgba(74,222,128,0.65);
}
.btn-primary:hover::before { opacity: 1; }
.btn-primary i { transition: transform var(--transition); }
.btn-primary:hover i { transform: translateX(4px); }

/* Ghost button */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: 12px;
  text-decoration: none;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}
.btn-ghost:hover {
  border-color: var(--green-400);
  color: var(--green-400);
  background: var(--green-glow-sm);
  transform: translateY(-3px);
}

/* Stats bar */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.4rem 1.8rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.stat { text-align: center; }
.stat-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--green-400);
}
.stat > span { font-size: 1.4rem; color: var(--accent); font-weight: 800; }
.stat p { font-size: 0.75rem; color: var(--text-secondary); margin-top: 0.1rem; }
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* Hero visual */
.hero-visual {
  flex: 1;
  max-width: 480px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.hero-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--border);
  animation: ringRotate 20s linear infinite;
}
.ring1 { width: 320px; height: 320px; border-color: rgba(74,222,128,0.2); }
.ring2 { width: 240px; height: 240px; border-color: rgba(163,230,53,0.2); animation-direction: reverse; animation-duration: 15s; }
.ring3 { width: 160px; height: 160px; border-color: rgba(74,222,128,0.3); animation-duration: 10s; }

@keyframes ringRotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.hero-globe {
  width: 120px; height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0a2e18, #16a34a);
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem;
  color: var(--green-400);
  box-shadow: 0 0 50px rgba(74,222,128,0.5), inset 0 0 30px rgba(0,0,0,0.5);
  animation: globePulse 4s ease-in-out infinite;
  z-index: 2;
}
@keyframes globePulse {
  0%, 100% { box-shadow: 0 0 50px rgba(74,222,128,0.5); }
  50%       { box-shadow: 0 0 80px rgba(74,222,128,0.8); }
}

/* Floating chips */
.chip {
  position: absolute;
  padding: 0.5rem 1rem;
  background: rgba(10,30,18,0.8);
  border: 1px solid var(--border);
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--green-400);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  white-space: nowrap;
  display: flex; align-items: center; gap: 0.4rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
.chip1 { top: 10%; left: -10%;    animation: chipFloat 6s ease-in-out infinite 0s; }
.chip2 { top: 10%; right: -5%;   animation: chipFloat 6s ease-in-out infinite 1.5s; }
.chip3 { bottom: 15%; left: -5%; animation: chipFloat 6s ease-in-out infinite 3s; }
.chip4 { bottom: 15%; right: 0%; animation: chipFloat 6s ease-in-out infinite 4.5s; }

@keyframes chipFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  font-size: 0.72rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
  text-transform: uppercase;
  animation: hintFade 3s ease-in-out infinite;
}
.scroll-arrow {
  width: 20px; height: 30px;
  border: 2px solid var(--border-glow);
  border-radius: 10px;
  position: relative;
}
.scroll-arrow::after {
  content: '';
  position: absolute;
  top: 5px; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 8px;
  background: var(--green-400);
  border-radius: 99px;
  animation: scrollDot 2s ease-in-out infinite;
}
@keyframes scrollDot {
  0%   { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(14px); }
}
@keyframes hintFade {
  0%, 100% { opacity: 0.5; }
  50%       { opacity: 1; }
}

/* ---------------------------------------------------------------
   SECTION SHARED
--------------------------------------------------------------- */
.section-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 6rem 5%;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid var(--border);
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--green-400);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
  font-size: 1rem;
}

/* ---------------------------------------------------------------
   ABOUT SECTION
--------------------------------------------------------------- */
.about {
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, transparent, rgba(10,30,18,0.5) 50%, transparent);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.about-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--green-500), transparent);
  opacity: 0;
  transition: var(--transition);
}
.about-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5), 0 0 30px var(--green-glow-sm);
}
.about-card:hover::before { opacity: 1; }

.card-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, rgba(74,222,128,0.15), rgba(163,230,53,0.1));
  border: 1px solid var(--border);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  color: var(--green-400);
  margin-bottom: 1.2rem;
  transition: var(--transition);
}
.about-card:hover .card-icon {
  background: linear-gradient(135deg, rgba(74,222,128,0.25), rgba(163,230,53,0.2));
  box-shadow: 0 0 20px var(--green-glow-sm);
}

.about-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--text-primary);
}

.about-card p { color: var(--text-secondary); font-size: 0.9rem; }

/* ---------------------------------------------------------------
   SERVICES SECTION
--------------------------------------------------------------- */
.services {
  position: relative;
  z-index: 1;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}

.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.2rem;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

/* Glow effect */
.service-card-glow {
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  opacity: 0;
  background: radial-gradient(circle at 50% 0%, rgba(74,222,128,0.2), transparent 70%);
  transition: var(--transition);
  pointer-events: none;
}
.service-card:hover .service-card-glow { opacity: 1; }

.service-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-8px);
  box-shadow: 0 25px 60px rgba(0,0,0,0.6), 0 0 40px var(--green-glow);
}

.service-num {
  position: absolute;
  top: 1.4rem; right: 1.6rem;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(74,222,128,0.07);
  line-height: 1;
}

.service-icon {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--green-600), var(--green-400));
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  color: #050e0a;
  margin-bottom: 1.4rem;
  box-shadow: 0 0 25px var(--green-glow);
  transition: var(--transition);
}
.service-card:hover .service-icon {
  box-shadow: 0 0 40px rgba(74,222,128,0.7);
  transform: scale(1.08);
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 1.2rem;
}

.service-features {
  list-style: none;
  margin-bottom: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}
.service-features li {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}
.service-features li i { color: var(--green-400); font-size: 0.7rem; }

.service-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  background: rgba(74,222,128,0.1);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--green-400);
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  transition: var(--transition);
  align-self: flex-start;
}
.service-btn:hover {
  background: var(--green-500);
  border-color: var(--green-500);
  color: #050e0a;
  box-shadow: 0 0 25px var(--green-glow);
}
.service-btn i { transition: transform var(--transition); }
.service-btn:hover i { transform: translateX(4px); }

/* ---------------------------------------------------------------
   FEATURES SECTION
--------------------------------------------------------------- */
.features {
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, transparent, rgba(10,30,18,0.4) 50%, transparent);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-box::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green-500), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.feature-box:hover::after { transform: scaleX(1); }

.feature-box:hover {
  border-color: var(--border-glow);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5), 0 0 25px var(--green-glow-sm);
}

.feature-icon-wrap {
  position: relative;
  width: 58px; height: 58px;
  margin-bottom: 1.4rem;
}
.feature-icon-bg {
  position: absolute;
  inset: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(74,222,128,0.2), rgba(163,230,53,0.1));
  border: 1px solid var(--border);
}
.feature-icon-wrap i {
  position: absolute;
  inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  color: var(--green-400);
}

.feature-box h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--text-primary);
}

.feature-box p { color: var(--text-secondary); font-size: 0.88rem; }

/* ---------------------------------------------------------------
   CONTACT SECTION
--------------------------------------------------------------- */
.contact {
  position: relative;
  z-index: 1;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: start;
}

/* Contact info */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}
.contact-info-item:hover {
  border-color: var(--border-glow);
  box-shadow: 0 0 20px var(--green-glow-sm);
}

.contact-info-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: rgba(74,222,128,0.1);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--green-400);
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-info-item h4 { font-size: 0.8rem; color: var(--text-secondary); margin-bottom: 0.1rem; }
.contact-info-item p { font-size: 0.88rem; color: var(--text-primary); font-weight: 500; }

.contact-socials {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}
.social-btn {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(74,222,128,0.08);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  font-size: 0.95rem;
  text-decoration: none;
  transition: var(--transition);
}
.social-btn:hover {
  border-color: var(--green-400);
  color: var(--green-400);
  background: rgba(74,222,128,0.15);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(74,222,128,0.2);
}

/* Contact form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: relative;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.form-group input,
.form-group textarea {
  background: rgba(5,14,10,0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
  resize: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(134,168,152,0.5); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(74,222,128,0.12);
}

.form-submit {
  width: 100%;
  justify-content: center;
  font-size: 1rem;
  padding: 1rem;
  margin-top: 0.5rem;
}

.form-toast {
  position: absolute;
  bottom: -50px; left: 50%;
  transform: translateX(-50%);
  background: rgba(74,222,128,0.15);
  border: 1px solid var(--green-400);
  color: var(--green-400);
  padding: 0.6rem 1.5rem;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  transition: var(--transition);
}
.form-toast.show {
  opacity: 1;
  bottom: -60px;
}

/* ---------------------------------------------------------------
   FOOTER
--------------------------------------------------------------- */
.footer {
  position: relative;
  overflow: hidden;
  z-index: 1;
  border-top: 1px solid var(--border);
}

.footer-bg-animation {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, rgba(10,30,18,0.8));
  pointer-events: none;
}

.footer-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 5rem 5% 2rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  position: relative;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin: 1rem 0 1.5rem;
  line-height: 1.75;
}

.footer-socials {
  display: flex;
  gap: 0.75rem;
}
.footer-socials a {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: rgba(74,222,128,0.08);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
  text-decoration: none;
  transition: var(--transition);
}
.footer-socials a:hover {
  border-color: var(--green-400);
  color: var(--green-400);
  background: rgba(74,222,128,0.12);
  transform: translateY(-2px);
}

.footer-links h4 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.2rem;
  letter-spacing: 0.5px;
}
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links li a {
  display: flex; align-items: center; gap: 0.4rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.87rem;
  transition: var(--transition);
}
.footer-links li a i { font-size: 0.65rem; color: var(--green-500); }
.footer-links li a:hover { color: var(--green-400); padding-left: 4px; }

.footer-tech h4 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.2rem;
}
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.tech-tags span {
  padding: 0.3rem 0.7rem;
  background: rgba(74,222,128,0.07);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  transition: var(--transition);
}
.tech-tags span:hover {
  border-color: var(--green-400);
  color: var(--green-400);
  background: rgba(74,222,128,0.12);
}

.footer-bottom {
  max-width: 1300px;
  margin: 0 auto;
  padding: 1.5rem 5%;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.footer-bottom i { color: #ef4444; }

/* ---------------------------------------------------------------
   REVEAL ANIMATION
--------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------------------------------------------------------------
   TILT CARD (handled via JS)
--------------------------------------------------------------- */
.tilt-card { transform-style: preserve-3d; }

/* ---------------------------------------------------------------
   RESPONSIVE
--------------------------------------------------------------- */
@media (max-width: 1024px) {
  .footer-container {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
  .contact-socials { margin-top: 0; }
}

@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    padding: 7rem 5% 4rem;
    text-align: center;
  }
  .hero-buttons { justify-content: center; }
  .hero-stats { flex-direction: column; gap: 1rem; }
  .stat-divider { width: 100%; height: 1px; }
  .hero-visual { display: none; }
  .nav-links {
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: rgba(5,14,10,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    transition: transform 0.4s ease;
  }
  .nav-links.open { transform: translateY(0); }
  .hamburger { display: flex; }
  .form-row { grid-template-columns: 1fr; }
  .footer-container { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2rem; }
  .section-header h2 { font-size: 1.8rem; }
}