/* ─────────────────────────────────────────────────────
   T&M Sphere — styles.css — Light Theme
───────────────────────────────────────────────────── */

/* ── Tokens ── */
:root {
  --navy:        #053e6a;
  --navy-dark:   #031d38;
  --teal:        #13bfa6;
  --teal-light:  #0ea895;
  --bg:          #ffffff;
  --bg-alt:      #f4f7fa;
  --bg-card:     #ffffff;
  --bg-card-h:   #f8fbff;
  --border:      rgba(5,62,106,0.12);
  --border-h:    rgba(19,191,166,0.45);
  --text:        #0b1520;
  --muted:       #374f63;
  --subtle:      #6a8fa8;
  --gradient:    linear-gradient(135deg, #053e6a 0%, #085070 50%, #13bfa6 100%);
  --grad-text:   linear-gradient(90deg, #0a6b8a, #13bfa6);
  --glow:        0 8px 40px rgba(19,191,166,0.18);
  --shadow:      0 2px 16px rgba(5,62,106,0.09);
  --shadow-h:    0 8px 32px rgba(5,62,106,0.14);
  --r:           16px;
  --r-sm:        10px;
  --ease:        cubic-bezier(0.4,0,0.2,1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }
textarea { resize: vertical; }

/* ── Layout ── */
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.15;
}
.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.25s var(--ease);
  border: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 6px 28px rgba(19,191,166,0.28);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(19,191,166,0.38);
}
.btn-ghost {
  background: #fff;
  color: var(--navy);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--teal);
  color: var(--teal);
  background: rgba(19,191,166,0.04);
}
.btn-full { width: 100%; justify-content: center; }

/* ── Navbar ── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(3,22,44,0.93);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
  transition: background 0.3s var(--ease), padding 0.3s var(--ease), box-shadow 0.3s;
}
.navbar.scrolled {
  background: rgba(3,22,44,0.98);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06), 0 6px 28px rgba(0,0,0,0.28);
  padding: 10px 0;
}
.nav-container {
  max-width: 1120px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-brand { display: flex; align-items: center; gap: 16px; }
.nav-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex-shrink: 0;
}
.nav-brand-text {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700; font-size: 18px; color: #ffffff;
}
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links > a {
  color: rgba(255,255,255,0.82); padding: 8px 14px; border-radius: 50px;
  font-size: 14px; font-weight: 500;
  transition: color 0.2s, background 0.2s;
}
.nav-links > a:hover { color: #fff; background: rgba(255,255,255,0.1); }
.nav-cta {
  background: var(--gradient) !important;
  color: #fff !important;
  padding: 9px 20px !important;
  border-radius: 50px;
  box-shadow: 0 4px 18px rgba(19,191,166,0.22);
  transition: all 0.25s var(--ease) !important;
}
.nav-cta:hover {
  box-shadow: 0 8px 28px rgba(19,191,166,0.38) !important;
  transform: translateY(-1px);
  background: rgba(5,62,106,0.05) !important;
}
/* Override nav-cta hover to keep gradient bg */
a.nav-cta:hover { background: var(--gradient) !important; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: #ffffff;
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}

/* ── Hero ── */
.hero {
  min-height: 50vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 175px;
  background: linear-gradient(140deg, #031d38 0%, #053e6a 45%, #074e60 75%, #0a6e5e 100%);
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-bg canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 0.55;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  animation: floatOrb 14s ease-in-out infinite;
}
.orb-1 {
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(19,191,166,0.28) 0%, transparent 70%);
  top: -200px; right: -100px;
  animation-delay: 0s;
}
.orb-2 {
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(5,62,106,0.55) 0%, transparent 70%);
  bottom: -100px; left: -80px;
  animation-delay: -5s;
}
.orb-3 {
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(19,191,166,0.18) 0%, transparent 70%);
  top: 50%; left: 45%;
  animation-delay: -9s;
}
@keyframes floatOrb {
  0%, 100% { transform: translate(0,0) scale(1); }
  33%       { transform: translate(28px,-28px) scale(1.06); }
  66%       { transform: translate(-18px,18px) scale(0.94); }
}
.hero-content {
  position: relative; z-index: 1;
  padding-top: 40px; padding-bottom: 60px;
  max-width: 720px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(19,191,166,0.15);
  border: 1px solid rgba(19,191,166,0.35);
  color: #7ee8d8;
  font-size: 13px; font-weight: 600;
  padding: 6px 14px; border-radius: 50px;
  margin-bottom: 28px;
}
.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:0.5; transform:scale(1.5); }
}
.hero-title {
  font-size: clamp(38px, 7vw, 72px);
  color: #ffffff; margin-bottom: 24px;
}
.hero-desc {
  font-size: clamp(15px, 2vw, 18px);
  color: rgba(255,255,255,0.72); max-width: 560px;
  margin-bottom: 36px; line-height: 1.65;
}
.hero-actions {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero-stats {
  display: flex; align-items: center; gap: 32px; flex-wrap: wrap;
}
.stat-item strong {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 36px; font-weight: 700;
  color: #ffffff; line-height: 1;
}
.stat-suffix { font-size: 22px; font-weight: 600; color: var(--teal-light); }
.stat-item p { font-size: 13px; color: rgba(255,255,255,0.6); margin-top: 4px; }
.stat-divider { width: 1px; height: 36px; background: rgba(255,255,255,0.15); }
.hero-scroll-hint {
  position: absolute; bottom: 32px; left: 50%;
  transform: translateX(-50%);
}
.scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--teal), transparent);
  animation: scrollPulse 2.2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%   { opacity:1; transform:scaleY(1);   transform-origin:top; }
  100% { opacity:0; transform:scaleY(0.1); transform-origin:top; }
}

/* ── Section Header ── */
.section-header { text-align: center; max-width: 640px; margin: 0 auto 60px; }
.section-tag {
  display: inline-block;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--teal-light);
  background: rgba(19,191,166,0.1);
  border: 1px solid rgba(19,191,166,0.25);
  padding: 5px 12px; border-radius: 50px;
  margin-bottom: 16px;
}
.section-header h2 { font-size: clamp(26px, 4vw, 42px); color: var(--navy); margin-bottom: 14px; }
.section-desc { color: var(--muted); font-size: 15px; line-height: 1.7; }

/* ── Services ── */
.services-section { background: #fff; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}
.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 32px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.service-card:hover {
  background: var(--bg-card-h);
  border-color: var(--border-h);
  transform: translateY(-6px);
  box-shadow: var(--shadow-h), var(--glow);
}
.service-card-top-bar {
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient);
  border-radius: var(--r) var(--r) 0 0;
  opacity: 0;
  transition: opacity 0.3s;
}
.service-card:hover .service-card-top-bar { opacity: 1; }
.service-icon {
  width: 52px; height: 52px;
  background: rgba(19,191,166,0.08);
  border: 1px solid rgba(19,191,166,0.18);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.service-icon svg { width: 24px; height: 24px; stroke: var(--teal); }
.service-card h3 { font-size: 19px; color: var(--navy); margin-bottom: 12px; }
.service-card > p { color: var(--muted); font-size: 14px; line-height: 1.65; margin-bottom: 20px; }
.service-features { display: flex; flex-direction: column; gap: 7px; }
.service-features li {
  font-size: 13px; color: var(--subtle);
  padding-left: 18px; position: relative;
}
.service-features li::before {
  content: '→'; position: absolute; left: 0;
  color: var(--teal); font-size: 11px;
}

/* ── Process ── */
.process-section { background: var(--bg); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.process-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.process-step:hover {
  border-color: rgba(19,191,166,0.3);
  box-shadow: var(--shadow-h);
  transform: translateY(-4px);
}
.step-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 44px; font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1; margin-bottom: 16px;
}
.process-step h3 { font-size: 18px; color: var(--navy); margin-bottom: 10px; }
.process-step p  { font-size: 14px; color: var(--muted); line-height: 1.65; }

/* ── Why Us ── */
.why-section { background: #fff; }
.why-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px; align-items: center;
}
.why-text .section-tag { margin-bottom: 16px; }
.why-text > h2 { font-size: clamp(24px,3.5vw,38px); color: var(--navy); margin-bottom: 16px; }
.why-text > p  { color: var(--muted); font-size: 15px; margin-bottom: 32px; }
.why-features  { display: flex; flex-direction: column; gap: 22px; margin-bottom: 36px; }
.why-feature   { display: flex; gap: 16px; align-items: flex-start; }
.why-icon      { color: var(--teal); font-size: 16px; margin-top: 2px; flex-shrink: 0; }
.why-feature strong { display: block; color: var(--navy); font-size: 15px; margin-bottom: 3px; }
.why-feature p { color: var(--muted); font-size: 13px; }

/* Tech cards */
.tech-card-stack { display: flex; flex-direction: column; gap: 14px; }
.tech-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 18px 22px;
  box-shadow: var(--shadow);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.tech-card:hover {
  border-color: rgba(19,191,166,0.3);
  box-shadow: var(--shadow-h);
}
.tc-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.tc-label  { font-size: 13px; color: var(--muted); }
.tc-pct    { font-size: 13px; font-weight: 600; color: var(--teal-light); }
.tc-bar {
  height: 6px; background: var(--bg-alt);
  border-radius: 99px; overflow: hidden;
}
.tc-bar div {
  height: 100%; border-radius: 99px;
  background: var(--gradient);
  transform: scaleX(0); transform-origin: left;
  animation: barFill 1.4s var(--ease) forwards paused;
}
@keyframes barFill { to { transform: scaleX(1); } }
.tc-bar div.animate { animation-play-state: running; }

/* ── Contact ── */
.contact-section { background: var(--bg); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 64px; align-items: start;
}
.contact-info .section-tag { margin-bottom: 16px; }
.contact-info h2 { font-size: clamp(24px,3.5vw,38px); color: var(--navy); margin-bottom: 16px; }
.contact-info > p { color: var(--muted); font-size: 15px; margin-bottom: 28px; line-height: 1.65; }
.contact-email {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--teal-light); font-weight: 600; font-size: 16px;
  margin-bottom: 28px;
  transition: color 0.2s;
}
.contact-email:hover { color: var(--navy); }
.contact-perks { display: flex; flex-direction: column; gap: 10px; }
.perk { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); }
.perk span { color: var(--teal); font-weight: 700; }

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px; padding: 36px;
  box-shadow: var(--shadow);
}
.form-row {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 16px; margin-bottom: 16px;
}
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group-full { margin-bottom: 20px; }
.form-group label { font-size: 13px; font-weight: 500; color: var(--muted); }
input, select, textarea {
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 10px; padding: 12px 14px;
  color: var(--text); font-size: 14px;
  font-family: inherit;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  width: 100%;
}
input::placeholder, textarea::placeholder { color: var(--subtle); }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--teal);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(19,191,166,0.12);
}
select option { background: #fff; color: var(--text); }
.form-note {
  font-size: 13px; color: var(--teal-light);
  text-align: center; min-height: 20px; margin-top: 12px;
}

/* ── Footer ── */
.site-footer {
  background: var(--navy-dark);
  border-top: none;
  padding: 48px 0 28px;
}
.footer-top {
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap;
  gap: 20px; margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700; font-size: 16px; color: #fff;
}
.footer-logo { width: 36px; height: 36px; object-fit: contain; }
.footer-tagline { color: rgba(255,255,255,0.45); font-size: 14px; }
.footer-links  { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,0.45); transition: color 0.2s; }
.footer-links a:hover { color: var(--teal-light); }
.footer-bottom { text-align: center; }
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,0.3); }

/* ── Scroll-reveal ── */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
[data-reveal].revealed { opacity: 1; transform: none; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .why-container   { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid    { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; inset: 0;
    background: rgba(6,14,24,0.97);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    align-items: center; justify-content: center;
    gap: 20px; z-index: 99;
  }
  .nav-links.open > a { font-size: 22px; color: #e2eef7; }
  .nav-links.open > a:hover { color: var(--teal-light); background: rgba(19,191,166,0.1); }
  .nav-toggle span { background: var(--navy); }
  .hero-stats  { gap: 20px; }
  .form-row    { grid-template-columns: 1fr; }
  .footer-top  { flex-direction: column; align-items: flex-start; }
  .services-grid { grid-template-columns: 1fr; }
  .process-grid  { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, [data-reveal] {
    animation: none !important;
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}