/* ============================================================
   SOLIENNE ADVISORY — Brand-accurate stylesheet
   Sand & Teal palette from le sōlienne brand kit
   ============================================================ */

/* --- DESIGN TOKENS --- */
:root {
  /* Brand Colors */
  --color-bg: #F5F0EB;
  --color-surface: #FBF8F4;
  --color-text: #1A2528;
  --color-text-muted: #5A6A6E;
  --color-text-faint: #9AABAE;
  --color-primary: #004656;
  --color-primary-hover: #003545;
  --color-ocean: #5B9EA6;
  --color-teal-light: #7FB8BD;
  --color-sage: #A8C9BE;
  --color-border: #D6CFC4;

  /* Type */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;

  /* Scale */
  --text-xs: clamp(0.7rem, 0.65rem + 0.2vw, 0.8rem);
  --text-sm: clamp(0.82rem, 0.78rem + 0.2vw, 0.9rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.1rem);
  --text-lg: clamp(1.15rem, 1.05rem + 0.5vw, 1.4rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.2vw, 2.2rem);
  --text-2xl: clamp(2.2rem, 1.4rem + 2.5vw, 3.8rem);
  --text-hero: clamp(3.2rem, 1.5rem + 6vw, 7rem);

  /* Spacing */
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --transition-fast: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --content-default: 1080px;
  --content-narrow: 680px;
}

/* --- BASE RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
p, li { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.1; }

::selection { background: rgba(0, 70, 86, 0.12); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: 2px; }

/* --- UTILITY --- */
.container {
  width: 100%;
  max-width: var(--content-default);
  margin: 0 auto;
  padding: 0 clamp(var(--space-6), 5vw, var(--space-16));
}
.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-ocean);
  margin-bottom: var(--space-4);
}
.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 300;
  color: var(--color-text);
  line-height: 1.1;
}
.section-heading em {
  font-style: italic;
  color: var(--color-primary);
}
.btn-primary {
  display: inline-block;
  padding: 0.85rem 2.2rem;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--color-primary);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
  cursor: pointer;
}
.btn-primary:hover {
  background: transparent;
  color: var(--color-primary);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

/* --- ANIMATIONS --- */
.fade-in {
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) forwards;
}
.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.65s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }
.reveal.delay-4 { transition-delay: 0.4s; }

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

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(245, 240, 235, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}
.nav--hidden { transform: translateY(-100%); }
.nav--scrolled { box-shadow: 0 2px 20px rgba(26, 37, 40, 0.07); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-default);
  margin: 0 auto;
  padding: 0 clamp(var(--space-6), 5vw, var(--space-16));
  height: 68px;
}
.nav-logo {
  color: var(--color-text);
  display: flex;
  align-items: center;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav-links a {
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}
.nav-links a:hover { color: var(--color-text); }
.nav-cta {
  background: var(--color-primary) !important;
  color: #fff !important;
  padding: 0.5rem 1.4rem !important;
  font-weight: 500 !important;
  transition: background var(--transition-fast) !important;
}
.nav-cta:hover { background: var(--color-primary-hover) !important; color: #fff !important; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
}

/* --- MOBILE MENU --- */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--color-bg);
  padding: 6rem clamp(var(--space-6), 5vw, var(--space-16)) var(--space-12);
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.4s var(--ease-out);
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-link {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-style: italic;
  color: var(--color-text);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 9rem clamp(var(--space-6), 5vw, var(--space-16)) var(--space-24);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 80% 40%, rgba(91, 158, 166, 0.1) 0%, transparent 65%),
    radial-gradient(ellipse 50% 50% at 10% 70%, rgba(168, 201, 190, 0.08) 0%, transparent 60%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  max-width: var(--content-default);
  width: 100%;
  margin: 0 auto;
}
.hero-label {
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-ocean);
  margin-bottom: var(--space-6);
}
.hero-heading {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 300;
  color: var(--color-text);
  line-height: 1.02;
  margin-bottom: var(--space-8);
  max-width: 14ch;
}
.hero-heading em {
  font-style: italic;
  color: var(--color-primary);
}
.hero-sub {
  font-size: var(--text-lg);
  font-weight: 300;
  color: var(--color-text-muted);
  max-width: 46ch;
  line-height: 1.6;
  margin-bottom: var(--space-10);
}
.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-10);
  left: clamp(var(--space-6), 5vw, var(--space-16));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}
.scroll-line {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee-wrap {
  overflow: hidden;
  background: var(--color-primary);
  padding: var(--space-4) 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.marquee-track {
  display: flex;
  gap: var(--space-8);
  white-space: nowrap;
  animation: marquee 28s linear infinite;
  width: max-content;
}
.marquee-track span {
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
}
.marquee-track .dot {
  color: rgba(255,255,255,0.3);
  letter-spacing: 0;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  padding: clamp(var(--space-16), 10vw, var(--space-32)) 0;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--space-16);
  align-items: start;
  margin-bottom: var(--space-20);
}
.about-body {
  font-size: var(--text-base);
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-6);
  max-width: 62ch;
}
.about-pull {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  font-weight: 400;
  color: var(--color-primary);
  padding: var(--space-6) 0 var(--space-6) var(--space-6);
  border-left: 2px solid var(--color-teal-light);
  margin-top: var(--space-8);
  max-width: 44ch;
}
.about-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  padding-top: var(--space-12);
  border-top: 1px solid var(--color-border);
}
.pillar { padding: var(--space-8) 0; }
.pillar-number {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-ocean);
  margin-bottom: var(--space-4);
}
.pillar-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  font-style: italic;
}
.pillar-body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 300;
  line-height: 1.7;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
  padding: clamp(var(--space-16), 10vw, var(--space-32)) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.services-header {
  margin-bottom: var(--space-16);
}
.services-list {
  display: flex;
  flex-direction: column;
}
.service-item {
  display: grid;
  grid-template-columns: 3.5rem 1fr auto;
  gap: var(--space-8);
  align-items: center;
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border);
  cursor: default;
  transition: background var(--transition-fast);
}
.service-item:last-child { border-bottom: 1px solid var(--color-border); }
.service-num {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-text-faint);
}
.service-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  transition: color var(--transition-fast);
}
.service-item:hover .service-title { color: var(--color-primary); font-style: italic; }
.service-body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 300;
  max-width: 52ch;
  line-height: 1.65;
}
.service-arrow {
  font-size: 1.3rem;
  color: var(--color-text-faint);
  transition: color var(--transition-fast), transform var(--transition-fast);
}
.service-item:hover .service-arrow {
  color: var(--color-primary);
  transform: translateX(4px);
}

/* ============================================================
   WORK
   ============================================================ */
.work {
  padding: clamp(var(--space-16), 10vw, var(--space-32)) 0;
}
.work-header {
  margin-bottom: var(--space-16);
}
.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}
.work-item {
  padding: var(--space-10) var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}
.work-item:hover {
  border-color: var(--color-ocean);
  transform: translateY(-3px);
}
.work-category {
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-ocean);
  font-weight: 500;
  margin-bottom: var(--space-4);
}
.work-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 300;
  font-style: italic;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.work-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: var(--space-6);
}
.work-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.work-tags span {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  padding: 0.25rem 0.75rem;
  border: 1px solid rgba(0, 70, 86, 0.25);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  padding: clamp(var(--space-16), 10vw, var(--space-32)) 0;
  background: var(--color-primary);
}
.contact-inner {
  max-width: 720px;
}
.contact .section-label { color: var(--color-teal-light); }
.contact-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 300;
  color: #fff;
  line-height: 1.1;
  margin-bottom: var(--space-6);
}
.contact-heading em {
  font-style: italic;
  color: var(--color-teal-light);
}
.contact-sub {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.65);
  font-weight: 300;
  max-width: 52ch;
  line-height: 1.7;
  margin-bottom: var(--space-10);
}
.contact-form { display: flex; flex-direction: column; gap: var(--space-6); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); }
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-group label {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  font-weight: 400;
}
.form-group input,
.form-group textarea {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.18);
  color: #fff;
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 300;
  outline: none;
  border-radius: 0;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  width: 100%;
  -webkit-appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.3); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-teal-light);
  background: rgba(255,255,255,0.11);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.btn-submit {
  align-self: flex-start;
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
  margin-top: var(--space-2);
}
.btn-submit:hover {
  background: rgba(255,255,255,0.88);
  color: var(--color-primary);
}
.contact-alt {
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.12);
}
.contact-alt p {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: var(--space-2);
}
.contact-email {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: #fff;
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,0.25);
  text-underline-offset: 4px;
  transition: text-decoration-color var(--transition-fast);
}
.contact-email:hover { text-decoration-color: rgba(255,255,255,0.7); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #0D2028;
  padding: var(--space-10) clamp(var(--space-6), 5vw, var(--space-16));
}
.footer-inner {
  max-width: var(--content-default);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  flex-wrap: wrap;
  gap: var(--space-6);
}
.footer-left { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: rgba(255,255,255,0.85);
  font-weight: 300;
}
.footer-loc {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
}
.footer-right {
  display: flex;
  gap: var(--space-8);
  align-items: center;
}
.footer-right a {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  transition: color var(--transition-fast);
}
.footer-right a:hover { color: rgba(255,255,255,0.85); }
.footer-base {
  max-width: var(--content-default);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  padding-top: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer-base span {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.06em;
}

/* ============================================================
   WHATSAPP FLOAT
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  z-index: 80;
  width: 52px;
  height: 52px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.whatsapp-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.45);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: var(--space-10); }
  .about-pillars { grid-template-columns: 1fr; }
  .work-grid { grid-template-columns: 1fr; }
  .service-item { grid-template-columns: 3rem 1fr; }
  .service-arrow { display: none; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu { display: flex; }
  .hero-heading { font-size: clamp(2.8rem, 12vw, 5rem); }
  .work-grid { grid-template-columns: 1fr; }
  .about-pillars { grid-template-columns: 1fr; }
}