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

:root {
  --sky: #0EA5E9;
  --sky-dark: #0284C7;
  --sky-deep: #0C4A6E;
  --sky-light: #E0F2FE;
  --sky-mid: #38BDF8;
  --accent: #06B6D4;
  --ink: #0F172A;
  --ink-muted: #475569;
  --ink-faint: #94A3B8;
  --surface: #F8FAFC;
  --surface-2: #F1F5F9;
  --white: #FFFFFF;
  --border: rgba(14, 165, 233, 0.15);
  --radius: 12px;
  --radius-lg: 20px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

a { text-decoration: none; color: inherit; }

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 5%;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1.25rem; letter-spacing: -0.03em; color: var(--ink); }
.logo span { color: var(--sky); }
.nav-links { display: flex; gap: 36px; list-style: none; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--ink-muted); transition: color 0.2s; }
.nav-links a:hover { color: var(--sky); }
.nav-cta { background: var(--sky); color: var(--white) !important; padding: 10px 22px; border-radius: 8px; font-size: 14px !important; font-weight: 500 !important; transition: background 0.2s !important; }
.nav-cta:hover { background: var(--sky-dark) !important; color: var(--white) !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: all 0.3s; }

/* HERO */
#home {
  min-height: 100vh; padding: 120px 5% 80px;
  display: flex; align-items: center;
  position: relative; background: var(--white); overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 60% 50% at 80% 30%, rgba(14,165,233,0.08) 0%, transparent 70%),
              radial-gradient(ellipse 40% 40% at 20% 70%, rgba(6,182,212,0.06) 0%, transparent 60%);
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; max-width: 1200px; margin: 0 auto; width: 100%; position: relative; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--sky-light); color: var(--sky-dark); font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; padding: 6px 14px; border-radius: 100px; margin-bottom: 28px; }
.hero-badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--sky); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(1.3)} }
.hero-title { font-size: clamp(2.6rem, 5vw, 4rem); margin-bottom: 24px; color: var(--ink); }
.hero-title .highlight { color: var(--sky); }
.hero-sub { font-size: 1.1rem; color: var(--ink-muted); margin-bottom: 40px; max-width: 480px; font-weight: 300; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary { background: var(--sky); color: var(--white); padding: 14px 30px; border-radius: 10px; font-weight: 500; font-size: 15px; transition: all 0.2s; display: inline-flex; align-items: center; gap: 8px; }
.btn-primary:hover { background: var(--sky-dark); transform: translateY(-1px); color: var(--white); }
.btn-secondary { background: transparent; color: var(--ink); padding: 14px 30px; border-radius: 10px; font-weight: 500; font-size: 15px; border: 1.5px solid rgba(14,165,233,0.3); transition: all 0.2s; }
.btn-secondary:hover { border-color: var(--sky); color: var(--sky); }

/* HERO VISUAL */
.hero-card-stack { position: relative; height: 400px; }
.floating-card { position: absolute; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px 24px; box-shadow: 0 8px 32px rgba(14,165,233,0.1); }
.fc-main { width: 280px; top: 20px; left: 20px; animation: float1 6s ease-in-out infinite; }
.fc-stat { width: 180px; bottom: 60px; right: 0; animation: float2 5s ease-in-out infinite 1s; }
.fc-tag { width: 160px; top: 50px; right: 20px; animation: float3 7s ease-in-out infinite 0.5s; }
@keyframes float1 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }
@keyframes float2 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }
@keyframes float3 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-15px)} }
.fc-label { font-size: 11px; color: var(--ink-faint); font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 6px; }
.fc-value { font-family: 'Syne', sans-serif; font-size: 1.8rem; font-weight: 700; color: var(--ink); }
.fc-value span { font-size: 0.9rem; color: var(--sky); }
.fc-desc { font-size: 13px; color: var(--ink-muted); margin-top: 4px; }
.mini-bar { display: flex; gap: 4px; margin-top: 12px; }
.mini-bar div { height: 28px; border-radius: 4px; background: var(--sky-light); }
.mini-bar div:nth-child(1){width:20%} .mini-bar div:nth-child(2){width:35%} .mini-bar div:nth-child(3){width:55%} .mini-bar div:nth-child(4){width:45%} .mini-bar div:nth-child(5){width:70%;background:var(--sky)}
.chip { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 500; color: var(--sky-dark); }
.chip-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--sky); }

/* STATS */
.stats-strip { background: var(--ink); padding: 48px 5%; }
.stats-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; text-align: center; }
.stat-num { font-family: 'Syne', sans-serif; font-size: 2.4rem; font-weight: 800; color: var(--sky); }
.stat-label { font-size: 13px; color: rgba(255,255,255,0.55); margin-top: 4px; }

/* SECTIONS */
section { padding: 96px 5%; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-tag { font-size: 11px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--sky); margin-bottom: 12px; }
.section-title { font-size: clamp(1.8rem, 3vw, 2.6rem); color: var(--ink); margin-bottom: 16px; }
.section-sub { font-size: 1.05rem; color: var(--ink-muted); max-width: 560px; font-weight: 300; }

/* SERVICES */
#services { background: var(--surface); }
.services-header { margin-bottom: 56px; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px 32px; transition: all 0.3s; position: relative; overflow: hidden; }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--sky), var(--accent)); transform: scaleX(0); transform-origin: left; transition: transform 0.3s; }
.service-card:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(14,165,233,0.12); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon { width: 52px; height: 52px; background: var(--sky-light); border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 22px; font-size: 22px; }
.service-title { font-family: 'Syne', sans-serif; font-size: 1.15rem; font-weight: 700; color: var(--ink); margin-bottom: 12px; }
.service-desc { font-size: 14px; color: var(--ink-muted); line-height: 1.7; margin-bottom: 20px; }
.service-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag { font-size: 11px; font-weight: 600; letter-spacing: 0.04em; padding: 4px 10px; border-radius: 6px; background: var(--sky-light); color: var(--sky-dark); }

/* PRICING */
#pricing { background: var(--white); }
.pricing-header { margin-bottom: 56px; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.pricing-card { background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius-lg); padding: 36px 32px; transition: all 0.3s; }
.pricing-card:hover { box-shadow: 0 12px 40px rgba(14,165,233,0.1); }
.pricing-card.featured { border-color: var(--sky); background: var(--ink); position: relative; }
.popular-badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--sky); color: var(--white); font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; padding: 5px 16px; border-radius: 100px; }
.plan-name { font-family: 'Syne', sans-serif; font-size: 0.85rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 16px; }
.pricing-card.featured .plan-name { color: rgba(255,255,255,0.5); }
.plan-price { font-family: 'Syne', sans-serif; font-size: 2.8rem; font-weight: 800; color: var(--ink); margin-bottom: 4px; }
.pricing-card.featured .plan-price { color: var(--white); }
.plan-price sup { font-size: 1.2rem; vertical-align: super; }
.plan-period { font-size: 13px; color: var(--ink-faint); margin-bottom: 28px; }
.pricing-card.featured .plan-period { color: rgba(255,255,255,0.4); }
.plan-divider { border: none; border-top: 1px solid var(--border); margin-bottom: 24px; }
.pricing-card.featured .plan-divider { border-color: rgba(255,255,255,0.1); }
.plan-features { list-style: none; display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; padding: 0; }
.plan-features li { font-size: 14px; color: var(--ink-muted); display: flex; align-items: center; gap: 10px; }
.pricing-card.featured .plan-features li { color: rgba(255,255,255,0.7); }
.plan-features li::before { content: '✓'; font-size: 12px; font-weight: 700; width: 20px; height: 20px; background: var(--sky-light); color: var(--sky-dark); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.pricing-card.featured .plan-features li::before { background: rgba(14,165,233,0.2); color: var(--sky-mid); }
.btn-plan { width: 100%; padding: 13px; border-radius: 10px; font-weight: 500; font-size: 14px; text-align: center; display: block; border: 1.5px solid var(--border); color: var(--ink); transition: all 0.2s; }
.btn-plan:hover { border-color: var(--sky); color: var(--sky); }
.btn-plan-featured { width: 100%; padding: 13px; border-radius: 10px; font-weight: 500; font-size: 14px; text-align: center; display: block; background: var(--sky); color: var(--white); transition: all 0.2s; }
.btn-plan-featured:hover { background: var(--sky-mid); color: var(--white); }

/* ABOUT */
.about-strip { background: linear-gradient(135deg, var(--ink) 0%, var(--sky-deep) 100%); padding: 80px 5%; }
.about-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-inner h2 { color: var(--white); margin-bottom: 20px; font-size: clamp(1.8rem, 2.5vw, 2.4rem); }
.about-inner p { color: rgba(255,255,255,0.65); line-height: 1.75; font-weight: 300; margin-bottom: 16px; }
.about-inner a { color: var(--sky-mid); font-weight: 500; }
.about-pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.pillar { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius); padding: 22px; }
.pillar-icon { font-size: 1.4rem; margin-bottom: 10px; }
.pillar-title { font-family: 'Syne', sans-serif; font-size: 0.95rem; font-weight: 600; color: var(--white); margin-bottom: 6px; }
.pillar-desc { font-size: 13px; color: rgba(255,255,255,0.5); line-height: 1.6; }

/* CONTACT */
#contact { background: var(--surface); }
.contact-header { margin-bottom: 56px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; align-items: start; }
.contact-info h3 { font-size: 1.25rem; margin-bottom: 16px; color: var(--ink); }
.contact-info p { font-size: 14px; color: var(--ink-muted); line-height: 1.7; margin-bottom: 32px; }
.contact-item { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 20px; }
.contact-ic { width: 40px; height: 40px; flex-shrink: 0; background: var(--sky-light); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 17px; }
.contact-item-label { font-size: 11px; color: var(--ink-faint); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; }
.contact-item-val { font-size: 14px; color: var(--ink); margin-top: 2px; }
.contact-form-wrap { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 0; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 13px; font-weight: 500; color: var(--ink-muted); }
.form-group input, .form-group select, .form-group textarea { padding: 11px 14px; border: 1.5px solid rgba(14,165,233,0.2); border-radius: 8px; font-family: 'DM Sans', sans-serif; font-size: 14px; color: var(--ink); background: var(--surface); outline: none; transition: border-color 0.2s; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--sky); }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-submit { width: 100%; padding: 14px; background: var(--sky); color: var(--white); border: none; border-radius: 10px; font-family: 'DM Sans', sans-serif; font-size: 15px; font-weight: 500; cursor: pointer; transition: all 0.2s; }
.form-submit:hover { background: var(--sky-dark); transform: translateY(-1px); }

/* FOOTER */
footer { background: var(--ink); padding: 60px 5% 32px; }
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .logo { color: var(--white); margin-bottom: 14px; display: block; }
.footer-brand p { font-size: 13px; color: rgba(255,255,255,0.45); line-height: 1.7; }
.footer-col h4 { font-family: 'Syne', sans-serif; font-size: 0.85rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(255,255,255,0.5); margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; padding: 0; }
.footer-col ul li a { font-size: 13px; color: rgba(255,255,255,0.6); transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--sky-mid); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,0.35); }
.social-links { display: flex; gap: 12px; }
.social-link { width: 34px; height: 34px; border-radius: 8px; background: rgba(255,255,255,0.07); display: flex; align-items: center; justify-content: center; font-size: 15px; color: rgba(255,255,255,0.5); transition: all 0.2s; }
.social-link:hover { background: var(--sky); color: var(--white); }

/* TOAST */
.toast { position: fixed; bottom: 32px; right: 32px; background: var(--ink); color: var(--white); padding: 14px 22px; border-radius: 10px; font-size: 14px; font-weight: 500; transform: translateY(100px); opacity: 0; transition: all 0.3s; pointer-events: none; border-left: 3px solid var(--sky); z-index: 9999; }
.toast.show { transform: none; opacity: 1; }

/* REVEAL */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* MOBILE */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-links.open { display: flex; flex-direction: column; gap: 0; position: fixed; top: 68px; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--border); padding: 12px 0; }
  .nav-links.open li a { display: block; padding: 12px 5%; font-size: 15px; }
  .hamburger { display: flex; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 500px) {
  .footer-top { grid-template-columns: 1fr; }
}