:root {
  --navy: #0A1628;
  --navy-light: #142240;
  --gold: #C9A84C;
  --gold-light: #E8C96A;
  --white: #FFFFFF;
  --gray-50: #F4F5F7;
  --gray-100: #E8E9EC;
  --gray-400: #9CA3AF;
  --gray-700: #374151;
  --font: 'Inter', sans-serif;
  --radius: 8px;
  --radius-lg: 12px;
  --container: 1100px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); font-size: 16px; line-height: 1.6; color: var(--gray-700); background: var(--white); }
img { max-width: 100%; }
a { color: inherit; text-decoration: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 5rem 0; }
.section--alt { background: var(--gray-50); }
.section-label { font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--gold); margin-bottom: .75rem; }
.section-title { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; color: var(--navy); line-height: 1.2; margin-bottom: 1rem; }
.section-sub { font-size: 1.05rem; color: var(--gray-400); max-width: 640px; margin-bottom: 2.5rem; }
.gold { color: var(--gold); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: .625rem 1.25rem; border-radius: var(--radius); font-size: .9rem; font-weight: 600; cursor: pointer; border: 2px solid transparent; transition: all .15s; }
.btn--gold { background: var(--gold); color: var(--navy); border-color: var(--gold); }
.btn--gold:hover { background: var(--gold-light); border-color: var(--gold-light); }
.btn--outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn--outline:hover { background: var(--navy); color: var(--white); }
.btn--ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,.4); }
.btn--ghost:hover { background: rgba(255,255,255,.1); }
.btn--lg { padding: .875rem 2rem; font-size: 1rem; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 100; background: var(--navy); border-bottom: 1px solid rgba(255,255,255,.1); }
.nav__inner { max-width: var(--container); margin: 0 auto; padding: 0 1.5rem; display: flex; align-items: center; gap: 2rem; height: 64px; }
.nav__logo { display: flex; align-items: center; gap: .5rem; color: var(--white); font-size: 1.1rem; font-weight: 600; }
.nav__logo-mark { width: 28px; height: 28px; background: var(--gold); color: var(--navy); border-radius: 6px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .9rem; }
.nav__links { display: flex; gap: 1.5rem; list-style: none; margin-left: auto; }
.nav__links a { color: rgba(255,255,255,.75); font-size: .875rem; transition: color .15s; }
.nav__links a:hover { color: var(--white); }
.nav__cta { margin-left: .5rem; }
.nav__hamburger { display: none; background: none; border: none; color: var(--white); font-size: 1.4rem; cursor: pointer; margin-left: auto; }
@media (max-width: 768px) { .nav__links, .nav__cta { display: none; } .nav__hamburger { display: block; } }

/* Hero */
.hero { background: var(--navy); color: var(--white); padding: 5rem 0 4rem; }
.hero__badge { display: inline-block; background: rgba(201,168,76,.15); color: var(--gold); border: 1px solid rgba(201,168,76,.3); border-radius: 99px; padding: .375rem 1rem; font-size: .8rem; font-weight: 600; letter-spacing: .04em; margin-bottom: 1.5rem; }
.hero__title { font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; line-height: 1.15; margin-bottom: 1.25rem; }
.hero__sub { font-size: 1.1rem; color: rgba(255,255,255,.7); max-width: 680px; margin-bottom: 2rem; line-height: 1.7; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3.5rem; }
.hero__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; border-top: 1px solid rgba(255,255,255,.1); padding-top: 2.5rem; }
.stat__n { display: block; font-size: 2rem; font-weight: 700; color: var(--gold); margin-bottom: .25rem; }
.stat__l { font-size: .8rem; color: rgba(255,255,255,.6); line-height: 1.4; }
@media (max-width: 600px) { .hero__stats { grid-template-columns: 1fr; } }

/* Problem */
.problem-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.problem-card { background: var(--white); border-radius: var(--radius-lg); padding: 1.5rem; border: 1px solid var(--gray-100); }
.problem-icon { font-size: 1.5rem; margin-bottom: .75rem; }
.problem-card h3 { font-size: 1rem; font-weight: 600; color: var(--navy); margin-bottom: .5rem; }
.problem-card p { font-size: .9rem; color: var(--gray-400); }
@media (max-width: 600px) { .problem-grid { grid-template-columns: 1fr; } }

/* Lifecycle */
.lifecycle-track { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; gap: 0; align-items: start; margin-top: 2.5rem; }
.lifecycle-phase { background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius-lg); padding: 1.5rem; }
.lifecycle-phase.phase--active { border-color: var(--gold); box-shadow: 0 0 0 2px rgba(201,168,76,.2); }
.lifecycle-arrow { display: flex; align-items: center; justify-content: center; color: var(--gold); font-size: 1.5rem; padding: 0 .5rem; margin-top: 2rem; }
.phase-num { font-size: .75rem; font-weight: 700; color: var(--gold); letter-spacing: .1em; margin-bottom: .5rem; }
.lifecycle-phase h3 { font-size: .95rem; font-weight: 700; color: var(--navy); margin-bottom: .75rem; }
.lifecycle-phase ul { list-style: none; }
.lifecycle-phase li { font-size: .8rem; color: var(--gray-700); padding: .25rem 0; padding-left: 1rem; position: relative; }
.lifecycle-phase li::before { content: "·"; position: absolute; left: 0; color: var(--gold); font-weight: 700; }
.phase-addon { margin-top: .75rem; font-size: .75rem; font-weight: 600; color: var(--gold); background: rgba(201,168,76,.1); border-radius: 4px; padding: .25rem .5rem; display: inline-block; }
@media (max-width: 900px) { .lifecycle-track { grid-template-columns: 1fr; } .lifecycle-arrow { padding: .25rem 0; } }

/* Modules */
.modules-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.module-card { background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius-lg); padding: 1.25rem; }
.module-icon { font-size: 1.25rem; margin-bottom: .75rem; }
.module-card h3 { font-size: .9rem; font-weight: 600; color: var(--navy); margin-bottom: .4rem; }
.module-card p { font-size: .82rem; color: var(--gray-400); line-height: 1.5; margin-bottom: .75rem; }
.module-tech { font-size: .72rem; color: var(--gray-400); font-weight: 500; border-top: 1px solid var(--gray-100); padding-top: .5rem; }
@media (max-width: 900px) { .modules-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .modules-grid { grid-template-columns: 1fr; } }

/* Tiers */
.tiers-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 3rem; }
.tier-card { background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius-lg); padding: 2rem; position: relative; display: flex; flex-direction: column; gap: 1rem; }
.tier-card--featured { border: 2px solid var(--gold); }
.tier-popular { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--gold); color: var(--navy); font-size: .75rem; font-weight: 700; padding: .25rem .75rem; border-radius: 99px; white-space: nowrap; }
.tier-header { display: flex; justify-content: space-between; align-items: flex-start; }
.tier-name { font-size: 1.1rem; font-weight: 700; color: var(--navy); }
.tier-tag { font-size: .75rem; font-weight: 600; color: var(--gray-400); background: var(--gray-50); padding: .2rem .6rem; border-radius: 99px; }
.tier-desc { font-size: .875rem; color: var(--gray-400); }
.tier-features { list-style: none; flex: 1; }
.tier-features li { font-size: .875rem; color: var(--gray-700); padding: .375rem 0; border-bottom: 1px solid var(--gray-100); display: flex; gap: .5rem; }
.tier-features li::before { content: "✓"; color: var(--gold); font-weight: 700; flex-shrink: 0; }
@media (max-width: 768px) { .tiers-grid { grid-template-columns: 1fr; } }

/* Add-ons */
.addons { margin-top: 1rem; }
.addons__title { font-size: 1.25rem; font-weight: 700; color: var(--navy); margin-bottom: .5rem; }
.addons__sub { font-size: .9rem; color: var(--gray-400); margin-bottom: 1.5rem; }
.addons-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.addon-card { background: var(--navy); color: var(--white); border-radius: var(--radius-lg); padding: 1.5rem; }
.addon-badge { font-size: .7rem; font-weight: 700; color: var(--gold); letter-spacing: .08em; text-transform: uppercase; margin-bottom: .5rem; }
.addon-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: .5rem; }
.addon-card p { font-size: .82rem; color: rgba(255,255,255,.7); line-height: 1.6; }
@media (max-width: 768px) { .addons-grid { grid-template-columns: 1fr; } }

/* Hosting */
.hosting-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.hosting-card { background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius-lg); padding: 2rem; }
.hosting-card--recommended { border-color: var(--gold); }
.hosting-rec { font-size: .75rem; font-weight: 700; color: var(--gold); margin-bottom: .5rem; text-transform: uppercase; letter-spacing: .06em; }
.hosting-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--navy); margin-bottom: .75rem; }
.hosting-card p { font-size: .9rem; color: var(--gray-400); line-height: 1.6; }
@media (max-width: 600px) { .hosting-grid { grid-template-columns: 1fr; } }

/* CTA / Contact */
.cta-section { background: var(--navy); color: var(--white); }
.cta-title { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; text-align: center; margin-bottom: .75rem; }
.cta-sub { text-align: center; color: rgba(255,255,255,.65); margin-bottom: 2.5rem; }
.contact-form { max-width: 680px; margin: 0 auto; 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: .375rem; }
.form-group label { font-size: .8rem; font-weight: 600; color: rgba(255,255,255,.7); }
.form-group input, .form-group select, .form-group textarea { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.2); border-radius: var(--radius); padding: .625rem .875rem; color: var(--white); font-family: var(--font); font-size: .9rem; }
.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(255,255,255,.35); }
.form-group select option { background: var(--navy); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--gold); }
.contact-form .btn--gold { align-self: flex-start; }
#form-success { display: none; text-align: center; padding: 2rem; color: var(--white); }
#form-success p { color: rgba(255,255,255,.75); margin-top: .5rem; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* Footer */
.footer { background: var(--navy-light); color: rgba(255,255,255,.6); padding: 2rem 0; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.footer__brand { display: flex; align-items: center; gap: .5rem; color: var(--white); font-weight: 600; }
.footer__links { display: flex; gap: 1.5rem; }
.footer__links a:hover { color: var(--white); }
.footer__copy { font-size: .75rem; text-align: center; width: 100%; line-height: 1.6; }