/* ==========================================================================
   Ascend Limitlessly — Main Stylesheet
   ========================================================================== */

:root {
  --color-primary: #16a673;
  --color-primary-dark: #0e7a54;
  --color-primary-light: #e6f7f1;
  --color-text: #1a1d23;
  --color-text-muted: #5b6470;
  --color-border: #e6e9ec;
  --color-surface: #ffffff;
  --color-surface-alt: #f6f9f8;
  --color-dark: #0f1115;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-sm: 0 2px 8px rgba(15, 17, 21, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 17, 21, 0.08);

  --container-width: 1180px;
  --font-body: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(2rem, 4vw, 2.8rem); }
.about-copy h2 { font-size: clamp(2rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; color: var(--color-text-muted); }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.text-accent { color: var(--color-primary); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, color .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-outline { background: transparent; border-color: var(--color-primary); color: var(--color-primary); }
.btn-outline-light { background: transparent; border-color: rgba(255,255,255,.5); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,.1); }
.btn-outline-pill { border: 1px solid var(--color-border); border-radius: 999px; padding: 8px 18px; font-size: .85rem; font-weight: 600; color: var(--color-primary); display: inline-flex; align-items: center; gap: 6px; }
.btn-block { width: 100%; }

/* Header */
.site-header {
  background: var(--color-surface-alt);
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 16px 24px;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 20px;
  max-width: var(--container-width);
  margin: 0 auto;
  background: #fff;
  border-radius: 999px;
  box-shadow: var(--shadow-md);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.1rem; line-height: 1.15; }
.brand-mark { color: var(--color-primary); font-size: 1.2rem; }
.brand-mark-img { height: 40px; width: auto; display: block; }
.footer-brand .brand-mark-img { height: 30px; }
.brand-name { display: flex; flex-direction: column; }
.brand-name .line-1 { color: var(--color-text); font-weight: 800; font-size: 1.05rem; line-height: 1.15; }
.brand-name .line-2 { color: var(--color-primary); font-weight: 800; font-size: 1.05rem; line-height: 1.15; }
.main-nav { display: flex; gap: 30px; }
.main-nav a { font-weight: 700; font-size: .82rem; letter-spacing: .04em; text-transform: uppercase; color: var(--color-text); padding: 6px 0; border-bottom: 2px solid transparent; }
.main-nav a.active, .main-nav a:hover { color: var(--color-primary); border-color: var(--color-primary); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.header-phone-icon {
  width: 42px; height: 42px; border-radius: 50%; background: var(--color-primary);
  color: #fff; display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.header-phone { border: 1.5px solid var(--color-primary); border-radius: 999px; padding: 10px 20px; font-weight: 700; color: var(--color-primary); font-size: .9rem; }
.nav-toggle { display: none; flex-direction: column; gap: 4px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; }

/* Hero */
.hero {
  background: #0f1115 url("../images/hero-scene.svg") no-repeat center right / cover;
  color: #fff;
  padding: 0;
  overflow: hidden;
  position: relative;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10,12,15,.92) 0%, rgba(10,12,15,.75) 38%, rgba(10,12,15,.15) 68%, rgba(10,12,15,0) 100%);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 24px; align-items: center; padding: 90px 0; position: relative; z-index: 1; min-height: 560px; }
.hero-copy h1 { color: #fff; font-size: clamp(2.1rem, 4vw, 3rem); }
.hero-copy p { color: rgba(255,255,255,.78); max-width: 480px; font-size: 1.05rem; }
.hero-actions { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.hero-media { display: none; }
.btn-arrow { display: inline-flex; align-items: center; gap: 8px; }
.btn-arrow svg { flex-shrink: 0; }

/* Quick links strip */
.quick-links { padding: 56px 0 32px; }
.quick-links-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; margin-top: -70px; position: relative; z-index: 2; }
.quick-card {
  background: var(--color-surface);
  border: none;
  border-radius: var(--radius-md);
  padding: 32px 20px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: transform .15s ease, box-shadow .15s ease;
}
.quick-card:hover { transform: translateY(-4px); }
.quick-icon-badge {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--color-primary-light);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  color: var(--color-primary);
}
.quick-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.quick-card p { font-size: .85rem; margin: 0; }

/* Sections */
.section { padding: 72px 0; }
.section-alt { background: var(--color-surface-alt); }
.section-heading { text-align: center; max-width: 640px; margin: 0 auto 40px; }

.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

/* Service cards */
.service-card {
  display: block;
  padding: 32px;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  background: var(--color-surface);
  transition: transform .15s ease, box-shadow .15s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.service-icon {
  width: 64px; height: 64px; border-radius: 16px;
  background: var(--color-primary-light); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.service-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.service-card p { font-size: .95rem; margin: 0; }
.service-price { display: inline-block; margin-top: 12px; font-weight: 700; color: var(--color-primary); }
.service-price-large { font-size: 1.6rem; font-weight: 800; color: var(--color-primary); margin: 16px 0; }

/* Project / portfolio cards */
.project-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-dark);
  box-shadow: var(--shadow-sm);
  transition: transform .15s ease;
}
.project-card:hover { transform: translateY(-4px); }
.project-card img { aspect-ratio: 4/3; object-fit: cover; }
.project-card-body { padding: 16px; }
.project-card-body h3, .project-card-body p { color: #fff; }
.project-card-overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 16px; background: linear-gradient(to top, rgba(0,0,0,.75), transparent);
  color: #fff;
}
.project-card-overlay span { font-size: .8rem; color: rgba(255,255,255,.75); }

.filter-tabs { display: flex; gap: 10px; justify-content: center; margin-bottom: 32px; flex-wrap: wrap; }
.filter-tabs a {
  padding: 8px 20px; border-radius: 999px; border: 1px solid var(--color-border);
  font-size: .9rem; font-weight: 600; color: var(--color-text-muted);
}
.filter-tabs a.active, .filter-tabs a:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

/* Project detail */
.back-link { display: inline-block; margin-bottom: 24px; color: var(--color-primary); font-weight: 600; }
.project-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.project-tags { margin-bottom: 12px; }
.tag { display: inline-block; background: var(--color-primary-light); color: var(--color-primary-dark); padding: 4px 12px; border-radius: 999px; font-size: .8rem; font-weight: 600; }
.lead { font-size: 1.1rem; }
.checklist { list-style: none; padding: 0; margin: 0 0 20px; }
.checklist li { position: relative; padding-left: 28px; margin-bottom: 10px; color: var(--color-text); }
.checklist li::before { content: "✓"; position: absolute; left: 0; color: var(--color-primary); font-weight: 800; }
.tech-used { margin: 24px 0; }
.tech-icons { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.tech-icons img { width: 32px; height: 32px; object-fit: contain; }
.tech-pill { padding: 4px 12px; background: var(--color-surface-alt); border-radius: 999px; font-size: .8rem; }
.tech-stack-groups { display: flex; flex-direction: column; gap: 14px; margin-top: 12px; }
.tech-group-label { display: block; font-size: .72rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: 6px; }
.project-detail-media img { border-radius: var(--radius-md); margin-bottom: 16px; box-shadow: var(--shadow-md); }

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  align-items: stretch;
}
.pricing-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  will-change: transform;
}
.pricing-card:hover {
  transform: translateY(-12px);
  box-shadow: 0 24px 48px rgba(15, 17, 21, 0.18);
}
.pricing-card-body { padding: 36px 28px; display: flex; flex-direction: column; flex: 1; }
.pricing-card-featured { border-color: var(--color-primary); box-shadow: var(--shadow-md); }
.pricing-card-featured:hover {
  transform: translateY(-12px);
  box-shadow: 0 24px 48px rgba(22, 166, 115, 0.35);
}
.pricing-badge-bar {
  background: var(--color-primary); color: #fff; text-align: center;
  font-weight: 700; font-size: .95rem; padding: 12px 0;
}
.pricing-tagline { font-size: .9rem; }
.pricing-amount { font-size: 2.4rem; font-weight: 800; margin: 12px 0 22px; color: var(--color-text); }
.pricing-amount-range { font-size: 1.5rem; }
.pricing-card .checklist { flex: 1; }
.pricing-card .btn { border-radius: 12px; margin-top: 8px; }

/* Stats strip */
.stats-strip { background: var(--color-primary); padding: 40px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; text-align: center; }
.stat-value { display: block; font-size: 2rem; font-weight: 800; color: #fff; }
.stat-label { font-size: .85rem; color: rgba(255,255,255,.85); }

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-media img { border-radius: var(--radius-md); box-shadow: var(--shadow-md); }
.team-card { text-align: center; }
.industry-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 32px 16px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.industry-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.industry-card svg { margin: 0 auto 16px; display: block; }
.industry-card h3 { font-size: 1.05rem; margin: 0; }
.team-card img { border-radius: 50%; width: 120px; height: 120px; object-fit: cover; margin: 0 auto 12px; }
.team-card span { color: var(--color-text-muted); font-size: .88rem; }

/* Testimonials */
.testimonial-card { background: var(--color-surface-alt); border-radius: var(--radius-md); padding: 28px; }
.testimonial-card p { color: var(--color-text); font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; margin-top: 16px; }
.testimonial-author img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.testimonial-author span { font-size: .85rem; color: var(--color-text-muted); display: block; }

/* Blog */
.blog-card { display: block; border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--color-border); position: relative; background: var(--color-surface); transition: transform .15s ease, box-shadow .15s ease; }
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.blog-card img { aspect-ratio: 16/10; object-fit: cover; }
.blog-tag { display: inline-block; background: var(--color-primary); color: #fff; font-size: .72rem; font-weight: 700; padding: 4px 12px; border-radius: 999px; margin: 12px 12px 0; }
.blog-card-body { padding: 16px; }
.blog-meta { font-size: .82rem; color: var(--color-text-muted); display: flex; gap: 6px; margin: 8px 0; }
.read-more { color: var(--color-primary); font-weight: 700; font-size: .88rem; }
.blog-detail-cover { border-radius: var(--radius-md); margin: 20px 0; }
.prose p { color: var(--color-text); }

/* Contact */
.say-hi-banner { padding: 40px 24px 0; }
.say-hi-card {
  max-width: var(--container-width);
  margin: 0 auto;
  background: linear-gradient(135deg, #15a172 0%, #0f7d57 100%);
  border-radius: 24px;
  padding: 44px 48px;
  position: relative;
  overflow: hidden;
}
.say-hi-inner { display: flex; align-items: center; gap: 36px; position: relative; z-index: 1; }
.say-hi-photo {
  width: 160px; height: 160px; border-radius: 50%; flex-shrink: 0;
  border: 5px solid rgba(255,255,255,.3); box-shadow: var(--shadow-md); overflow: hidden;
}
.say-hi-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.say-hi-text h2 { color: #fff; font-size: 2.5rem; margin-bottom: 6px; }
.say-hi-text p { color: rgba(255,255,255,.9); font-size: 1.15rem; margin: 0; }

.contact-page-grid {
  display: grid;
  grid-template-columns: 240px 280px 1fr;
  gap: 40px;
  align-items: start;
}
.contact-col h4 {
  font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
  color: var(--color-text); margin-bottom: 18px;
}
.contact-divider { border: none; border-top: 1px solid var(--color-border); margin: 24px 0; }

.service-pill-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.service-pill {
  display: flex; align-items: center; gap: 8px;
  border: 1.5px solid var(--color-border); border-radius: 12px;
  padding: 10px 12px; font-size: .85rem; font-weight: 600; color: var(--color-text);
}
.service-pill svg { color: var(--color-primary); flex-shrink: 0; }

.social-icons-row { display: flex; gap: 10px; }
.social-icon-btn {
  width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center; color: var(--color-text);
}
.social-icon-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }

.start-project p { font-size: .9rem; margin-bottom: 14px; }
.start-project-link { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--color-primary); }
.start-project-icon {
  width: 34px; height: 34px; border-radius: 50%; background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}

.about-text { font-size: .92rem; }
.info-block { margin-bottom: 20px; }
.info-block h5 { font-size: .74rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: 8px; }
.info-row { display: flex; align-items: center; gap: 10px; font-size: .92rem; color: var(--color-text); }
.info-row svg { color: var(--color-primary); flex-shrink: 0; }

/* Form */
.contact-form-card { border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 32px; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.input-icon-group { position: relative; }
.input-icon-group svg { position: absolute; top: 50%; left: 16px; transform: translateY(-50%); color: var(--color-text-muted); pointer-events: none; }
.input-icon-group input, .input-icon-group textarea {
  width: 100%; padding: 14px 16px 14px 46px; border: 1px solid var(--color-border); border-radius: 12px;
  font-family: inherit; font-size: .95rem; background: var(--color-surface);
}
.input-icon-group textarea { padding-top: 16px; resize: vertical; min-height: 130px; }
.input-icon-group.textarea-icon svg { top: 24px; transform: none; }
.input-icon-group input:focus, .input-icon-group textarea:focus { outline: none; border-color: var(--color-primary); }

.service-select-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 16px 0; }
.visually-hidden { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.service-box {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  border: 1.5px solid var(--color-border); border-radius: 12px; padding: 18px 8px;
  font-size: .85rem; font-weight: 600; color: var(--color-text); cursor: pointer; text-align: center;
  transition: border-color .15s ease, background .15s ease;
}
.service-box svg { color: var(--color-primary); }
input.visually-hidden:checked + .service-box { border-color: var(--color-primary); background: var(--color-primary-light); }

.contact-form-card .btn { border-radius: 12px; }
.form-submit-row { display: flex; justify-content: flex-end; margin-top: 8px; }

.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,.08); color: #fff; display: flex; align-items: center; justify-content: center; transition: background .15s ease; }
.footer-social a:hover { background: var(--color-primary); }

/* Alerts */
.messages { padding-top: 16px; }
.alert { padding: 14px 20px; border-radius: var(--radius-sm); margin-bottom: 12px; font-size: .9rem; }
.alert-success { background: var(--color-primary-light); color: var(--color-primary-dark); }
.alert-error { background: #fdecec; color: #b3261e; }

/* Error pages */
.error-page { padding: 100px 0; }
.error-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.error-code { font-size: 5rem; font-weight: 800; color: var(--color-primary); line-height: 1; }
.error-media svg { width: 100%; height: auto; }

/* Footer */
.site-footer { background: var(--color-dark); color: rgba(255,255,255,.7); padding: 56px 0 0; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 40px; }
.footer-brand .brand { color: #fff; margin-bottom: 12px; }
.footer-brand .brand-name .line-1 { color: #fff; }
.footer-brand .brand-name .line-2 { color: var(--color-primary); }
.footer-brand p { color: rgba(255,255,255,.55); font-size: .9rem; }
.footer-col h4 { color: #fff; font-size: .95rem; margin-bottom: 14px; }
.footer-col a { display: block; margin-bottom: 10px; font-size: .9rem; color: rgba(255,255,255,.65); }
.footer-col a:hover { color: var(--color-primary); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 18px 0; text-align: center; font-size: .82rem; }

.empty-state { text-align: center; color: var(--color-text-muted); padding: 40px 0; }
.narrow { max-width: 760px; }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid, .about-grid, .project-detail-grid, .error-grid, .contact-grid { grid-template-columns: 1fr; }
  .contact-page-grid { grid-template-columns: 1fr; }
  .say-hi-inner { flex-direction: column; text-align: center; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-6 { grid-template-columns: repeat(3, 1fr); }
  .quick-links-grid { grid-template-columns: repeat(2, 1fr); margin-top: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .main-nav { position: fixed; top: 68px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 20px 24px; border-bottom: 1px solid var(--color-border); transform: translateY(-150%); opacity: 0; transition: transform .2s ease, opacity .2s ease; }
  .main-nav.open { transform: translateY(0); opacity: 1; }
  .nav-toggle { display: flex; }
  .header-phone { display: none; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-6 { grid-template-columns: repeat(2, 1fr); }
  .quick-links-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-row-2 { grid-template-columns: 1fr; }
  .service-select-row { grid-template-columns: 1fr 1fr; }
}