/* =========================
   VARIABLES & RESET
   ========================= */

:root {
  --bg: #050816;
  --bg-alt: #070b1f;
  --accent-1: #5ff0ff;
  --accent-2: #ff6bcb;
  --accent-3: #c4ff61;
  --text-main: #f5f5f7;
  --text-soft: #a4a6b8;
  --border-soft: rgba(255, 255, 255, 0.12);
  --glass: rgba(8, 12, 28, 0.7);
  --radius-lg: 24px;
  --radius-pill: 999px;
  --shadow-soft: 0 24px 60px rgba(0, 0, 0, 0.55);
  --transition-fast: 0.2s ease-out;
  --transition-med: 0.35s ease-out;
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-main);
  background: radial-gradient(circle at top, #141b3b, #050816 55%, #000 100%);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* =========================
   BACKGROUND & WATER DROPS
   ========================= */

.background {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: -1;
}

.water-drop {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.75), transparent 60%);
  filter: blur(6px);
  mix-blend-mode: screen;
  opacity: 0;
  animation: waterFloat 10s infinite alternate;
}

.drop-1 {
  width: 260px;
  height: 260px;
  top: 8%;
  left: 10%;
  animation-delay: 0.3s;
}

.drop-2 {
  width: 320px;
  height: 320px;
  top: 60%;
  left: 70%;
  animation-delay: 1.2s;
}

.drop-3 {
  width: 180px;
  height: 180px;
  top: 35%;
  left: 55%;
  animation-delay: 2.4s;
}

.drop-4 {
  width: 220px;
  height: 220px;
  top: 75%;
  left: 18%;
  animation-delay: 3.1s;
}

@keyframes waterFloat {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.05;
  }
  50% {
    transform: translate3d(-12px, -18px, 0) scale(1.05);
    opacity: 0.28;
  }
  100% {
    transform: translate3d(16px, 20px, 0) scale(1.12);
    opacity: 0.18;
  }
}

/* =========================
   HEADER & NAV
   ========================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 7vw;
  backdrop-filter: blur(20px);
  background: linear-gradient(to bottom, rgba(5, 8, 24, 0.9), rgba(5, 8, 24, 0.75));
  border-bottom: 1px solid var(--border-soft);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 12px;
  background: conic-gradient(from 140deg, var(--accent-1), var(--accent-2), var(--accent-3), var(--accent-1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 18px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
}

.logo-text {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.04em;
}

.site-nav {
  display: flex;
  gap: 24px;
  align-items: center;
}

.site-nav a {
  font-size: 14px;
  text-decoration: none;
  color: var(--text-soft);
  position: relative;
  transition: color var(--transition-fast);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  transition: width var(--transition-med);
}

.site-nav a:hover {
  color: var(--text-main);
}

.site-nav a:hover::after {
  width: 100%;
}

.lang-link {
  font-size: 12px;
  opacity: 0.85;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 6px;
  border-radius: 999px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: var(--text-main);
  margin: 4px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* =========================
   HERO
   ========================= */

.hero {
  padding: 64px 7vw 72px;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

.hero-content {
  max-width: 620px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 11px;
  color: var(--accent-1);
  margin-bottom: 12px;
}

.hero-title {
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1.1;
  margin: 0 0 18px;
}

.hero-highlight {
  display: inline-block;
  background: linear-gradient(120deg, var(--accent-1), var(--accent-2), var(--accent-3));
  -webkit-background-clip: text;
  color: transparent;
}

.hero-subtitle {
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.btn {
  border-radius: var(--radius-pill);
  padding: 10px 20px;
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: #050816;
  box-shadow: var(--shadow-soft);
}

.btn.primary:hover {
  transform: translateY(-1px) scale(1.01);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6);
}

.btn.ghost {
  background: rgba(10, 14, 30, 0.6);
  border-color: var(--border-soft);
  color: var(--text-main);
  backdrop-filter: blur(18px);
}

.btn.ghost:hover {
  background: rgba(20, 26, 56, 0.9);
  border-color: var(--accent-1);
}

.btn.full-width {
  width: 100%;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  color: var(--text-soft);
  font-size: 11px;
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.06), transparent 55%);
}

/* HERO VISUAL */

.hero-visual {
  position: relative;
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bubble {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.85), transparent 60%);
  mix-blend-mode: screen;
  opacity: 0.45;
  filter: blur(4px);
  animation: bubbleDrift 12s infinite alternate ease-in-out;
}

.bubble.big {
  width: 260px;
  height: 260px;
  top: 12%;
  right: 5%;
}

.bubble.medium {
  width: 180px;
  height: 180px;
  bottom: 4%;
  left: 8%;
  animation-delay: 1.7s;
}

.bubble.small {
  width: 110px;
  height: 110px;
  top: 30%;
  left: 25%;
  animation-delay: 2.4s;
}

@keyframes bubbleDrift {
  0% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(-10px, 14px, 0);
  }
  100% {
    transform: translate3d(12px, -10px, 0);
  }
}

.hero-card {
  position: relative;
  padding: 22px 20px;
  border-radius: 20px;
  background: var(--glass);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow-soft);
  max-width: 320px;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: radial-gradient(circle at top left, rgba(95, 240, 255, 0.25), transparent 55%);
  opacity: 0;
  transition: opacity var(--transition-med);
  z-index: -1;
}

.hero-card:hover::before {
  opacity: 1;
}

.hero-card h2 {
  margin: 0 0 6px;
  font-size: 16px;
}

.hero-card p {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--text-soft);
}

.hero-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.hero-card li {
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(10, 14, 30, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* =========================
   SECTIONS / GRIDS
   ========================= */

.section {
  padding: 40px 7vw 56px;
}

.section-contrast {
  background: radial-gradient(circle at top, #101227, #050816);
}

.section-header {
  max-width: 640px;
  margin-bottom: 28px;
}

.section-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 10px;
  color: var(--accent-2);
  margin: 0 0 8px;
}

.section-title {
  margin: 0 0 10px;
  font-size: 24px;
}

.section-description {
  margin: 0;
  font-size: 14px;
  color: var(--text-soft);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.project-card {
  position: relative;
  padding: 18px 16px 18px;
  border-radius: var(--radius-lg);
  background: rgba(10, 14, 32, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(24px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  transform-origin: center;
  transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med), background var(--transition-med);
}

/* Water drop fade hover effect */
.project-card::before {
  content: "";
  position: absolute;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  top: -120px;
  left: -120px;
  background: radial-gradient(circle, rgba(95, 240, 255, 0.9), transparent 60%);
  opacity: 0;
  transform: scale(0.4);
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.project-card:hover::before {
  opacity: 0.28;
  transform: scale(1);
}

.project-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.8);
  border-color: rgba(95, 240, 255, 0.55);
  background: rgba(10, 14, 40, 0.95);
}

.project-tag {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-1);
  margin-bottom: 8px;
}

.project-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.project-card p {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--text-soft);
}

.project-meta {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-meta li {
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(4, 8, 24, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* =========================
   TIMELINE
   ========================= */

.timeline {
  position: relative;
  padding-top: 10px;
  margin-top: 8px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 32px;
}

.timeline-line {
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-1), var(--accent-2));
  opacity: 0.25;
}

.timeline-step {
  position: relative;
  padding-left: 32px;
  max-width: 400px;
}

.timeline-step:nth-child(2n + 1) {
  grid-column: 1 / 2;
}

.timeline-step:nth-child(2n) {
  grid-column: 2 / 3;
}

.step-dot {
  position: absolute;
  left: 4px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, var(--accent-1), var(--accent-2));
  box-shadow: 0 0 12px rgba(95, 240, 255, 0.8);
}

.timeline-step h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.timeline-step p {
  margin: 0;
  font-size: 13px;
  color: var(--text-soft);
}

/* =========================
   BOOKING / CONTACT
   ========================= */

.contact-card {
  margin: 0 auto;
  max-width: 640px;
  padding: 22px 20px 22px;
  border-radius: var(--radius-lg);
  background: rgba(8, 12, 32, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow-soft);
}

.contact-card h2 {
  margin: 0 0 8px;
  font-size: 20px;
}

.contact-card p {
  margin: 0 0 18px;
  font-size: 14px;
  color: var(--text-soft);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-field label {
  font-size: 12px;
  color: var(--text-soft);
}

.form-field input,
.form-field textarea,
.form-field select {
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 9px 10px;
  font-size: 13px;
  background: rgba(5, 8, 20, 0.9);
  color: var(--text-main);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: rgba(164, 166, 184, 0.65);
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 1px rgba(95, 240, 255, 0.4);
  background: rgba(12, 16, 36, 0.95);
}

.contact-meta {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* =========================
   FOOTER
   ========================= */

.site-footer {
  padding: 16px 7vw 24px;
  border-top: 1px solid var(--border-soft);
  font-size: 12px;
  color: var(--text-soft);
  text-align: center;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
}

/* =========================
   REVEAL (SCROLL ANIMATION)
   ========================= */

.reveal {
  opacity: 0;
  transform: translateY(18px) scale(0.99);
  transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* =========================
   RESPONSIVE
   ========================= */

@media (max-width: 960px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-visual {
    order: -1;
  }

  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .timeline {
    grid-template-columns: minmax(0, 1fr);
  }

  .timeline-step:nth-child(2n),
  .timeline-step:nth-child(2n + 1) {
    grid-column: auto;
  }
}

@media (max-width: 720px) {
  .site-header {
    padding-inline: 16px;
  }

  .hero,
  .section,
  .site-footer {
    padding-inline: 16px;
  }

  .site-nav {
    position: fixed;
    inset: 56px 12px auto;
    padding: 12px 16px;
    flex-direction: column;
    align-items: flex-start;
    border-radius: 18px;
    background: rgba(5, 8, 26, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: var(--shadow-soft);
    transform-origin: top right;
    transform: scale(0.95) translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .site-nav.is-open {
    transform: scale(1) translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle {
    display: block;
  }

  .nav-toggle.is-open span:nth-child(1) {
    transform: translateY(3px) rotate(45deg);
  }

  .nav-toggle.is-open span:nth-child(2) {
    transform: translateY(-3px) rotate(-45deg);
  }

  .projects-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .form-row {
    grid-template-columns: minmax(0, 1fr);
  }
}