/* ============================================
   Adapt Water, LLC — styles.css
   ============================================ */

/* --- Custom Properties --- */
:root {
  --deep-slate: #1a2e3b;
  --glacial-aqua: #4db8c8;
  --sandstone: #c8b89a;
  --off-white: #f5f2ee;
  --dark-accent: #0d1e28;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --section-pad: clamp(4rem, 10vw, 8rem);
  --container-max: 1200px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--deep-slate);
  background: var(--off-white);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

/* --- Utility --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

p {
  max-width: 65ch;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-header h2 {
  margin-bottom: 0.75rem;
}

.section-header p {
  margin: 0 auto;
  color: inherit;
  opacity: 0.75;
  font-size: 1.1rem;
}

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  padding: 0.25em 0.65em;
  border-radius: 3px;
  text-transform: uppercase;
}

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85em 2em;
  border-radius: 4px;
  transition: background 0.3s, transform 0.2s;
  cursor: pointer;
  border: none;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--glacial-aqua);
  color: var(--dark-accent);
}

.btn--primary:hover {
  background: #3da8b8;
}

.btn--outline {
  background: transparent;
  color: var(--glacial-aqua);
  border: 1.5px solid var(--glacial-aqua);
}

.btn--outline:hover {
  background: rgba(77, 184, 200, 0.1);
}

.arrow-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--glacial-aqua);
  transition: gap 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
}

.arrow-link:hover {
  gap: 0.65em;
}

.arrow-link::after {
  content: '\2192';
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background 0.35s, box-shadow 0.35s;
}

.nav.scrolled {
  background: rgba(13, 30, 40, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(77, 184, 200, 0.1);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--off-white);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 4px;
}

.nav__logo::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--sandstone);
  opacity: 0.5;
}

.nav__links {
  display: flex;
  gap: 2.25rem;
}

.nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(245, 242, 238, 0.8);
  transition: color 0.2s;
  letter-spacing: 0.02em;
}

.nav__links a:hover {
  color: var(--glacial-aqua);
}

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--off-white);
  transition: transform 0.3s, opacity 0.3s;
}

.nav__toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav__toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

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

  .nav__links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: center;
    gap: 0;
    background: rgba(13, 30, 40, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 1rem 0;
    transform: translateY(-120%);
    transition: transform 0.35s ease;
  }

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

  .nav__links a {
    display: block;
    padding: 1rem 2rem;
    font-size: 1.05rem;
    width: 100%;
    text-align: center;
  }
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(170deg, var(--dark-accent) 0%, var(--deep-slate) 50%, #163040 100%);
  overflow: hidden;
  padding: calc(var(--nav-height) + 2rem) 1.5rem 4rem;
}

/* Animated mesh gradient overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 400px at 20% 60%, rgba(77, 184, 200, 0.12), transparent),
    radial-gradient(ellipse 500px 500px at 80% 30%, rgba(77, 184, 200, 0.08), transparent),
    radial-gradient(ellipse 300px 600px at 50% 90%, rgba(200, 184, 154, 0.06), transparent);
  animation: meshShift 12s ease-in-out infinite alternate;
}

@keyframes meshShift {
  0% { opacity: 1; transform: scale(1); }
  100% { opacity: 0.7; transform: scale(1.08); }
}

/* Water ripple effect */
.hero__ripples {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero__ripples .ripple {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(77, 184, 200, 0.08);
  top: 55%;
  left: 45%;
  transform: translate(-50%, -50%) scale(0);
  animation: rippleExpand 8s ease-out infinite;
}

.hero__ripples .ripple:nth-child(2) {
  animation-delay: 2s;
}

.hero__ripples .ripple:nth-child(3) {
  animation-delay: 4s;
}

.hero__ripples .ripple:nth-child(4) {
  animation-delay: 6s;
}

@keyframes rippleExpand {
  0% {
    width: 0;
    height: 0;
    opacity: 0.6;
    transform: translate(-50%, -50%) scale(0);
  }
  100% {
    width: 1200px;
    height: 1200px;
    opacity: 0;
    transform: translate(-50%, -50%) scale(1);
  }
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 780px;
}

.hero__content h1 {
  color: var(--off-white);
  margin-bottom: 1.25rem;
}

.hero__content .subhead {
  color: rgba(245, 242, 238, 0.7);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(245, 242, 238, 0.4);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero__scroll .arrow {
  width: 20px;
  height: 20px;
  border-right: 1.5px solid rgba(245, 242, 238, 0.4);
  border-bottom: 1.5px solid rgba(245, 242, 238, 0.4);
  transform: rotate(45deg);
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(6px); }
}

/* ============================================
   SERVICES
   ============================================ */
.services {
  background: var(--off-white);
  padding: var(--section-pad) 1.5rem;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.service-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
}

.service-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--deep-slate), #244050);
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-card__icon svg {
  width: 26px;
  height: 26px;
  stroke: var(--glacial-aqua);
  fill: none;
  stroke-width: 1.5;
}

.service-card h3 {
  margin-bottom: 0.75rem;
  color: var(--deep-slate);
}

.service-card p {
  color: #4a5d6a;
  font-size: 0.95rem;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .services__grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* ============================================
   DASHBOARDS
   ============================================ */
.dashboards {
  background: var(--deep-slate);
  color: var(--off-white);
  padding: var(--section-pad) 1.5rem;
}

.dashboards .section-header p {
  color: rgba(245, 242, 238, 0.6);
}

.dashboards__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.dashboard-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(77, 184, 200, 0.12);
  border-radius: 6px;
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s;
}

.dashboard-card:hover {
  transform: translateY(-4px);
  border-color: rgba(77, 184, 200, 0.3);
}

/* Placeholder chart area */
.dashboard-card__preview {
  height: 200px;
  background:
    linear-gradient(180deg, rgba(77, 184, 200, 0.06) 0%, transparent 100%),
    linear-gradient(var(--dark-accent), var(--dark-accent));
  position: relative;
  overflow: hidden;
}

/* CSS grid pattern to simulate a chart */
.dashboard-card__preview::before {
  content: '';
  position: absolute;
  inset: 20px;
  background-image:
    linear-gradient(rgba(77, 184, 200, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(77, 184, 200, 0.08) 1px, transparent 1px);
  background-size: 30px 30px;
}

/* Fake chart line */
.dashboard-card__preview::after {
  content: '';
  position: absolute;
  bottom: 40px;
  left: 20px;
  right: 20px;
  height: 80px;
  background: linear-gradient(135deg, transparent 10%, rgba(77, 184, 200, 0.15) 40%, rgba(77, 184, 200, 0.25) 60%, transparent 90%);
  clip-path: polygon(0% 80%, 10% 60%, 20% 65%, 30% 40%, 45% 50%, 55% 20%, 65% 30%, 75% 10%, 85% 25%, 100% 5%, 100% 100%, 0% 100%);
}

.dashboard-card__body {
  padding: 1.5rem;
}

.dashboard-card__body h3 {
  margin-bottom: 0.5rem;
  font-size: 1.15rem;
}

.dashboard-card__body p {
  font-size: 0.9rem;
  color: rgba(245, 242, 238, 0.6);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

@media (max-width: 900px) {
  .dashboards__grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
}

/* ============================================
   CASE STUDIES
   ============================================ */
.case-studies {
  background: var(--off-white);
  padding: var(--section-pad) 1.5rem;
}

.case-study {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 5rem;
}

.case-study:last-child {
  margin-bottom: 0;
}

.case-study--reverse {
  direction: rtl;
}

.case-study--reverse > * {
  direction: ltr;
}

/* Placeholder image block */
.case-study__image {
  height: 360px;
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

.case-study__image--water {
  background: linear-gradient(145deg, var(--deep-slate), #1e4050, var(--deep-slate));
}

.case-study__image--data {
  background: linear-gradient(145deg, #1a3040, var(--deep-slate), #0d2030);
}

/* Atmospheric texture */
.case-study__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 60%, rgba(77, 184, 200, 0.1), transparent 60%),
    radial-gradient(ellipse at 70% 30%, rgba(200, 184, 154, 0.08), transparent 50%);
}

.case-study__text h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.65rem);
  margin-bottom: 1rem;
  color: var(--deep-slate);
}

.case-study__text p {
  color: #4a5d6a;
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.case-study__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.case-study__tags .tag {
  background: rgba(26, 46, 59, 0.08);
  color: var(--deep-slate);
}

@media (max-width: 768px) {
  .case-study,
  .case-study--reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .case-study__image {
    height: 240px;
  }
}

/* ============================================
   ABOUT
   ============================================ */
.about {
  background: var(--deep-slate);
  color: var(--off-white);
  padding: var(--section-pad) 1.5rem;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: center;
}

/* Portrait placeholder */
.about__portrait {
  height: 480px;
  border-radius: 6px;
  background: linear-gradient(160deg, #1e3a4a, var(--dark-accent), #1a3545);
  position: relative;
  overflow: hidden;
}

.about__portrait::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 40%, rgba(77, 184, 200, 0.1), transparent 60%),
    radial-gradient(ellipse at 50% 90%, rgba(200, 184, 154, 0.06), transparent 40%);
}

.about__text .label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--glacial-aqua);
  margin-bottom: 0.75rem;
}

.about__text h2 {
  margin-bottom: 1.5rem;
}

.about__text p {
  color: rgba(245, 242, 238, 0.7);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  line-height: 1.7;
}

.about__credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin: 2rem 0 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(245, 242, 238, 0.1);
}

.credential {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(245, 242, 238, 0.6);
  letter-spacing: 0.02em;
}

.credential svg {
  width: 18px;
  height: 18px;
  stroke: var(--glacial-aqua);
  fill: none;
  stroke-width: 1.5;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .about__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about__portrait {
    height: 300px;
  }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--dark-accent);
  color: rgba(245, 242, 238, 0.5);
  padding: 3.5rem 1.5rem 2.5rem;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer__brand .name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--off-white);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.footer__brand .tagline {
  font-size: 0.9rem;
  max-width: 320px;
  line-height: 1.5;
}

.footer__links {
  display: flex;
  gap: 2rem;
}

.footer__links a {
  font-size: 0.9rem;
  transition: color 0.2s;
}

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

.footer__bottom {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(245, 242, 238, 0.08);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
}

@media (max-width: 600px) {
  .footer__inner {
    flex-direction: column;
  }

  .footer__links {
    flex-wrap: wrap;
    gap: 1rem 2rem;
  }
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger children */
.stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger.visible > *:nth-child(1) { transition-delay: 0s; }
.stagger.visible > *:nth-child(2) { transition-delay: 0.12s; }
.stagger.visible > *:nth-child(3) { transition-delay: 0.24s; }

.stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}