/* ---------------------------------------------------------------------------
   Samarth Labs — bespoke styles
   Tailwind handles utilities. This file owns: typography defaults, motion,
   custom components (eyebrow, buttons, product card, persona card, form
   fields), and the hero portal background.
--------------------------------------------------------------------------- */

:root {
  --c-navy: #0D1B2A;
  --c-navy-mid: #1A2F44;
  --c-saffron: #E8622A;
  --c-saffron-light: #F0824E;
  --c-green: #27784A;
  --c-green-light: #2E9057;
  --c-warm: #94A3B8;
  --c-white: #FFFFFF;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
  overflow-x: hidden;
}

@media (min-width: 768px) {
  html { scroll-padding-top: 7rem; }
}

@media (min-width: 1024px) {
  html { scroll-padding-top: 8rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  background: var(--c-navy);
  color: var(--c-white);
  font-family: "DM Sans", ui-sans-serif, system-ui, sans-serif;
  font-feature-settings: "ss01", "ss02";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100vh;
}

img, svg, video {
  max-width: 100%;
  height: auto;
}

.font-display {
  font-feature-settings: "ss01", "liga", "dlig";
  font-optical-sizing: auto;
}

/* ---------- Nav (translucent white header for brand-color visibility) ---------- */

#nav {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: saturate(160%) blur(24px);
  -webkit-backdrop-filter: saturate(160%) blur(24px);
  border-bottom: 1px solid rgba(13, 27, 42, 0.05);
  transition: background-color 320ms ease, box-shadow 320ms ease, border-color 320ms ease;
}

#nav > div {
  transition: height 360ms cubic-bezier(.2, .7, .2, 1);
}

#nav .nav-logo svg {
  transition: height 360ms cubic-bezier(.2, .7, .2, 1);
}

#nav.is-scrolled {
  background: rgba(255, 255, 255, 0.7);
  border-bottom: 1px solid rgba(13, 27, 42, 0.08);
  box-shadow: 0 8px 24px -16px rgba(13, 27, 42, 0.3);
}

/* Collapse the nav itself on scroll */
#nav.is-scrolled > div {
  height: 3rem !important;
}
@media (min-width: 768px) {
  #nav.is-scrolled > div { height: 4rem !important; }
}
@media (min-width: 1024px) {
  #nav.is-scrolled > div { height: 5rem !important; }
}

/* Shrink the logo to match the compact bar */
#nav.is-scrolled .nav-logo svg {
  height: 2rem !important;
}
@media (min-width: 768px) {
  #nav.is-scrolled .nav-logo svg { height: 2.5rem !important; }
}
@media (min-width: 1024px) {
  #nav.is-scrolled .nav-logo svg { height: 3.5rem !important; }
}

.mobile-link {
  display: block;
  padding: 0.875rem 0;
  font-family: "Fraunces", serif;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--c-navy);
  border-bottom: 1px solid rgba(13, 27, 42, 0.08);
}
.mobile-link:last-child { border-bottom: 0; }

/* ---------- Eyebrow / section labels ---------- */

.eyebrow {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* ---------- Buttons ---------- */

.btn-primary,
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.875rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.005em;
  transition: transform 220ms ease, background-color 220ms ease, color 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
  will-change: transform;
}

.btn-primary {
  background: var(--c-saffron);
  color: var(--c-white);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.12) inset, 0 12px 32px -12px rgba(232, 98, 42, 0.55);
}
.btn-primary:hover {
  background: var(--c-saffron-light);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--c-white);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--c-white);
  background: rgba(255, 255, 255, 0.04);
}

/* ---------- Hero background ---------- */

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(60% 40% at 70% 35%, rgba(232, 98, 42, 0.18), transparent 70%),
    radial-gradient(80% 60% at 20% 80%, rgba(26, 47, 68, 0.6), transparent 70%),
    linear-gradient(180deg, var(--c-navy) 0%, #0a1623 100%);
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 40%, transparent 80%);
  opacity: 0.7;
}

/* ---------- Hero portal SVG ---------- */

.portal-wrap {
  position: relative;
  display: inline-flex;
  align-items: flex-end;
  justify-content: center;
  filter: drop-shadow(0 30px 60px rgba(232, 98, 42, 0.12));
}

.portal-svg,
.portal-img {
  transform-origin: 50% 90%;
  animation: portal-breathe 7s ease-in-out infinite;
}

.portal-img {
  display: block;
  filter:
    drop-shadow(0 0 40px rgba(232, 98, 42, 0.35))
    drop-shadow(0 0 90px rgba(240, 130, 78, 0.22))
    drop-shadow(0 30px 60px rgba(0, 0, 0, 0.45));
}

@keyframes portal-breathe {
  0%, 100% { transform: scale(1); opacity: 0.96; }
  50% { transform: scale(1.025); opacity: 1; }
}

/* ---------- Product cards ---------- */

.product-card {
  position: relative;
  display: flex;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.025);
  border: 1.5px solid var(--card-border, rgba(255, 255, 255, 0.1));
  box-shadow: 0 0 0 0 var(--card-glow, transparent);
  overflow: hidden;
  transition: transform 320ms cubic-bezier(.2, .7, .2, 1), border-color 320ms ease, background-color 320ms ease, box-shadow 320ms ease;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--card-border-hover, rgba(255, 255, 255, 0.2));
  background: rgba(255, 255, 255, 0.035);
  box-shadow: 0 18px 48px -24px var(--card-glow, transparent);
}

.product-card[data-accent="saffron"] {
  --card-border: rgba(232, 98, 42, 0.45);
  --card-border-hover: rgba(232, 98, 42, 0.85);
  --card-glow: rgba(232, 98, 42, 0.35);
}

.product-card[data-accent="green"] {
  --card-border: rgba(39, 120, 74, 0.5);
  --card-border-hover: rgba(46, 144, 87, 0.85);
  --card-glow: rgba(46, 144, 87, 0.35);
}

.product-card__rail { display: none; }

.product-card__body {
  padding: 1.75rem 1.5rem;
  flex: 1;
  min-width: 0;
}

@media (min-width: 640px) {
  .product-card__body { padding: 2.5rem 2.25rem; }
}

@media (min-width: 1024px) {
  .product-card__body { padding: 2.75rem 2.5rem; }
}

/* ---------- Status dot ---------- */

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  display: inline-block;
  position: relative;
}
.status-dot::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 999px;
  opacity: 0.35;
  animation: pulse 2.4s ease-out infinite;
}
.status-dot--saffron { background: var(--c-saffron-light); }
.status-dot--saffron::after { background: var(--c-saffron-light); }
.status-dot--green { background: var(--c-green-light); }
.status-dot--green::after { background: var(--c-green-light); }

@keyframes pulse {
  0% { transform: scale(0.8); opacity: 0.4; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* ---------- Bullets ---------- */

.bullet {
  position: relative;
  padding-left: 1.75rem;
  color: rgba(255, 255, 255, 0.92);
  font-size: 1.0625rem;
  font-weight: 500;
  line-height: 1.6;
}
.bullet::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 14px;
  height: 1.5px;
  border-radius: 2px;
}
.bullet--saffron::before { background: var(--c-saffron-light); }
.bullet--green::before { background: var(--c-green-light); }

/* ---------- Chips ---------- */

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.025);
  color: rgba(255, 255, 255, 0.86);
}
.chip--saffron { border-color: rgba(232, 98, 42, 0.35); color: var(--c-saffron-light); }
.chip--green { border-color: rgba(39, 120, 74, 0.45); color: var(--c-green-light); }

/* ---------- Persona cards ---------- */

.persona-card {
  background: rgba(13, 27, 42, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  padding: 2.25rem 1.75rem;
  transition: transform 320ms cubic-bezier(.2, .7, .2, 1), border-color 320ms ease;
}
.persona-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.14);
}

@media (min-width: 640px) {
  .persona-card { padding: 2.5rem 2rem; }
}

.persona-card__num {
  font-family: "Fraunces", serif;
  font-style: italic;
  font-weight: 500;
  font-size: 2.25rem;
  color: var(--c-saffron-light);
  line-height: 1;
}

.persona-card__title {
  margin-top: 1.25rem;
  font-family: "Fraunces", serif;
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}

.persona-card__body {
  margin-top: 1rem;
  color: var(--c-warm);
  font-size: 1.0625rem;
  font-weight: 500;
  line-height: 1.65;
}

/* ---------- Philosophy principles ---------- */

.principle {
  position: relative;
}
.principle::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 32px;
  height: 1.5px;
  background: var(--c-saffron);
}
.principle__title {
  margin-top: 1.5rem;
  font-family: "Fraunces", serif;
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}
.principle__body {
  margin-top: 1rem;
  color: var(--c-warm);
  font-size: 1.0625rem;
  font-weight: 500;
  line-height: 1.65;
}

/* ---------- Contact cards ---------- */

.contact-card {
  display: block;
  padding: 2rem 1.75rem;
  background: rgba(13, 27, 42, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  transition: transform 320ms cubic-bezier(.2, .7, .2, 1), border-color 320ms ease, background-color 320ms ease;
  text-decoration: none;
  color: inherit;
}

.contact-card:hover {
  transform: translateY(-4px);
  border-color: rgba(232, 98, 42, 0.4);
  background: rgba(255, 255, 255, 0.03);
}

@media (min-width: 640px) {
  .contact-card { padding: 2.5rem; }
}

/* ---------- Scroll-triggered fade-up ---------- */

.fade-up {
  opacity: 0;
  transform: translateY(20px);
  animation: fade-up 700ms cubic-bezier(.2, .7, .2, 1) both;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms cubic-bezier(.2, .7, .2, 1), transform 700ms cubic-bezier(.2, .7, .2, 1);
  will-change: opacity, transform;
}

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

/* ---------- Selection / focus ---------- */

::selection {
  background: var(--c-saffron);
  color: var(--c-white);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--c-saffron-light);
  outline-offset: 3px;
  border-radius: 4px;
}