/* ============================================
   VELDCOAST — Landing Page Styles
   ============================================ */

/* --- Custom Properties --- */
:root {
  --color-bg:         #0a0f1a;
  --color-bg-surface: #111827;
  --color-bg-card:    #1a2233;
  --color-bg-card-hover: #1f2b3f;
  --color-accent:     #f97316;
  --color-accent-light: #fb923c;
  --color-accent-glow: rgba(249, 115, 22, 0.15);
  --color-text:       #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-border:     rgba(255, 255, 255, 0.06);
  --color-border-hover: rgba(255, 255, 255, 0.12);

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;
  --space-3xl: 10rem;

  --radius-sm:  0.5rem;
  --radius-md:  0.75rem;
  --radius-lg:  1rem;
  --radius-xl:  1.5rem;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

/* --- Utilities --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section-label {
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.section-header {
  margin-bottom: var(--space-xl);
}

/* --- Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 0 24px var(--color-accent-glow), 0 1px 3px rgba(0,0,0,0.3);
}

.btn--primary:hover {
  background: var(--color-accent-light);
  box-shadow: 0 0 40px rgba(249, 115, 22, 0.3), 0 4px 12px rgba(0,0,0,0.4);
  transform: translateY(-2px);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-hover);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-sm) 0;
  transition: all var(--transition-base);
}

.nav--scrolled {
  background: rgba(10, 15, 26, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 0;
}

.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.nav__logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  line-height: 1;
}

.nav__logo-text {
  color: var(--color-text);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.nav__links a:not(.btn) {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.nav__links a:not(.btn):hover {
  color: var(--color-text);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__gradient {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.5;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  animation-direction: alternate;
}

.hero__gradient--1 {
  width: 60vw;
  height: 60vw;
  max-width: 700px;
  max-height: 700px;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.3) 0%, transparent 70%);
  top: -20%;
  right: -10%;
  animation: drift1 8s ease-in-out infinite alternate;
}

.hero__gradient--2 {
  width: 50vw;
  height: 50vw;
  max-width: 600px;
  max-height: 600px;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.15) 0%, transparent 70%);
  bottom: -10%;
  left: -10%;
  animation: drift2 10s ease-in-out infinite alternate;
}

.hero__gradient--3 {
  width: 40vw;
  height: 40vw;
  max-width: 500px;
  max-height: 500px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, transparent 70%);
  top: 30%;
  left: 40%;
  animation: drift3 12s ease-in-out infinite alternate;
}

@keyframes drift1 {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-40px, 30px) scale(1.1); }
}

@keyframes drift2 {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, -20px) scale(1.05); }
}

@keyframes drift3 {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-20px, -30px) scale(1.15); }
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.3;
}

.hero__glow {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.08) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 1;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: var(--space-xl) var(--space-md);
}

.hero__eyebrow {
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.hero__title {
  font-size: clamp(2.75rem, 8vw, 5.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-md);
}

.hero__title-accent {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto var(--space-lg);
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  z-index: 2;
}

.hero__scroll span {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
}

.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50%      { opacity: 1;   transform: scaleY(1); }
}

/* ============================================
   SERVICES
   ============================================ */
.services {
  padding: var(--space-3xl) 0;
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-hover), transparent);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
}

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

.service-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-md);
  background: var(--color-accent-glow);
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.service-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  letter-spacing: -0.01em;
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================
   CONTACT / CTA
   ============================================ */
.contact {
  padding: var(--space-3xl) 0;
  background: var(--color-bg-surface);
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-hover), transparent);
}

.contact__inner {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.contact__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}

.contact__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.footer__brand p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-top: var(--space-xs);
}

.footer__links {
  display: flex;
  gap: var(--space-lg);
}

.footer__links a {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-text);
}

.footer__bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.footer__bottom p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    background: rgba(10, 15, 26, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: var(--space-xl);
    gap: var(--space-md);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    border-left: 1px solid var(--color-border);
  }

  .nav__links.open {
    transform: translateX(0);
  }

  .nav__links a:not(.btn) {
    font-size: 1.25rem;
  }

  .nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav__toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero__title {
    font-size: clamp(2.25rem, 10vw, 3.5rem);
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

  .footer__links {
    flex-wrap: wrap;
    gap: var(--space-sm) var(--space-lg);
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }

}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .hero__gradient,
  .hero__scroll-line {
    animation: none;
  }

  .service-card:hover,
  .btn--primary:hover,
  .btn--ghost:hover {
    transform: none;
  }
}