/* ═══════════════════════════════════════════
   INGREDIA — AI SDR Landing Page Styles
   Deel-inspired clean sections
   ═══════════════════════════════════════════ */

/* ── Custom Properties ── */
:root {
  /* Brand Blues */
  --navy: #000f51;
  --blue: #001984;
  --blue-bright: #0023b7;
  --blue-glow: rgba(0, 35, 183, 0.3);

  /* Brand Golds */
  --gold: #ffb719;
  --gold-light: #ffc74c;
  --gold-lighter: #ffd77f;
  --gold-glow: rgba(255, 183, 25, 0.25);

  /* Neutrals */
  --white: #ffffff;
  --gray-50: #f7f8fc;
  --gray-100: #eef0f6;
  --gray-200: #d4d8e5;
  --gray-400: #8a90a8;
  --gray-600: #4a5068;
  --gray-800: #1e2340;
  --gray-900: #141729;

  /* Typography */
  --font-display: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;

  /* Spacing */
  --section-py: clamp(5rem, 10vw, 9rem);
  --container-max: 1200px;
  --container-px: clamp(1.25rem, 4vw, 2.5rem);

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 15, 81, 0.04);
  --shadow-md: 0 4px 24px rgba(0, 15, 81, 0.07);
  --shadow-lg: 0 12px 48px rgba(0, 15, 81, 0.10);
  --shadow-gold: 0 8px 32px rgba(255, 183, 25, 0.20);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 200ms;
  --duration-med: 400ms;
  --duration-slow: 700ms;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--gray-800);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

/* ── Utilities ── */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.18;
  color: var(--navy);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.5rem;
  border-radius: 100px;
  transition:
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out),
    background var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}

.btn--gold {
  background: var(--gold);
  color: var(--navy);
}

.btn--gold:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
}

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

.btn--lg {
  padding: 0.9375rem 2rem;
  font-size: 1rem;
}

/* ── Scroll Animations ── */
[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-animate] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  html {
    scroll-behavior: auto;
  }

  .hero__circle {
    animation: none !important;
  }
}

/* ═══════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition:
    background var(--duration-med) var(--ease-out),
    box-shadow var(--duration-med) var(--ease-out);
}

.nav.is-scrolled {
  background: var(--navy);
  box-shadow: 0 2px 24px rgba(0, 15, 81, 0.3);
}

.nav__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  z-index: 10;
}

.nav__logo-icon {
  width: 36px;
  height: 36px;
  color: var(--gold);
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--white);
}

.nav__cta {
  display: inline-flex;
}

/* ═══════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(160deg, var(--navy) 0%, var(--blue) 50%, #001570 100%);
  overflow: hidden;
  padding-top: 72px;
}

/* Grain overlay */
.hero__grain,
.cta__grain {
  position: absolute;
  inset: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  pointer-events: none;
}

/* Decorative circles */
.hero__shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 183, 25, 0.08);
}

.hero__circle--1 {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -150px;
  animation: float 20s ease-in-out infinite;
}

.hero__circle--2 {
  width: 400px;
  height: 400px;
  bottom: -100px;
  left: -100px;
  border-color: rgba(255, 183, 25, 0.05);
  animation: float 25s ease-in-out infinite reverse;
}

.hero__circle--3 {
  width: 200px;
  height: 200px;
  top: 30%;
  right: 15%;
  border-color: rgba(0, 35, 183, 0.15);
  animation: float 15s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(15px, -20px) scale(1.02); }
  66% { transform: translate(-10px, 10px) scale(0.98); }
}

.hero__container {
  position: relative;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) var(--container-px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 768px) {
  .hero__container {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.hero__title-line {
  display: block;
}

.hero__title-line--gold {
  color: var(--gold);
}

.hero__subtitle {
  font-size: clamp(1.0625rem, 1.8vw, 1.25rem);
  color: rgba(255, 255, 255, 0.7);
  max-width: 520px;
  line-height: 1.65;
  margin-bottom: 2.5rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__visual {
  display: flex;
  justify-content: center;
}

.hero__img {
  width: 100%;
  max-width: 520px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* ═══════════════════════════════════════════
   PLACEHOLDER IMAGES
   ═══════════════════════════════════════════ */
.placeholder-img {
  background: var(--gray-50);
  border: 2px dashed var(--gray-200);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--gray-400);
  width: 100%;
  aspect-ratio: 4 / 3;
  max-width: 520px;
}

.placeholder-img span {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
}

.placeholder-img--hero {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.4);
  aspect-ratio: 4 / 3;
  min-height: 320px;
}

.placeholder-img--sm {
  aspect-ratio: 16 / 10;
}

/* ═══════════════════════════════════════════
   HOW IT WORKS / STAGES
   ═══════════════════════════════════════════ */
.how-it-works {
  padding: var(--section-py) 0;
}

.how-it-works__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
}

.how-it-works__header {
  text-align: center;
  margin-bottom: 4rem;
}

/* Stage rows — Deel-style alternating */
.stage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
  padding: 3rem 0;
  border-bottom: 1px solid var(--gray-100);
}

.stage:last-child {
  border-bottom: none;
}

@media (min-width: 768px) {
  .stage {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    padding: 4rem 0;
  }

  .stage--reverse .stage__visual {
    order: -1;
  }
}

.stage__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.stage__title {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.875rem;
  letter-spacing: -0.01em;
}

.stage__desc {
  font-size: 1.0625rem;
  color: var(--gray-600);
  line-height: 1.7;
  max-width: 480px;
}

.stage__img {
  width: 100%;
  max-width: 520px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* ═══════════════════════════════════════════
   ADD-ON FEATURES
   ═══════════════════════════════════════════ */
.addons {
  padding: var(--section-py) 0;
  background: var(--gray-50);
}

.addons__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
}

.addons__header {
  text-align: center;
  margin-bottom: 3rem;
}

.addons__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .addons__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.addon-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition:
    border-color var(--duration-med) var(--ease-out),
    box-shadow var(--duration-med) var(--ease-out);
}

.addon-card:hover {
  border-color: var(--gray-200);
  box-shadow: var(--shadow-md);
}

.addon-card__visual {
  margin-bottom: 1.5rem;
}

.addon-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.addon-card__desc {
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════
   FINAL CTA
   ═══════════════════════════════════════════ */
.cta {
  position: relative;
  padding: var(--section-py) 0;
  background: linear-gradient(160deg, var(--navy) 0%, var(--blue) 100%);
  overflow: hidden;
}

.cta__container {
  position: relative;
  max-width: 680px;
  margin: 0 auto;
  padding: 0 var(--container-px);
  text-align: center;
}

.cta__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.cta__subtitle {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.65;
  margin-bottom: 2.5rem;
}

/* ═══════════════════════════════════════════
   FOOTER (simplified)
   ═══════════════════════════════════════════ */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
}

.footer__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 3rem var(--container-px) 2rem;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.footer__logo-icon {
  width: 28px;
  height: 28px;
  color: var(--gold);
}

.footer__logo span {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--white);
}

.footer__tagline {
  font-size: 0.875rem;
  color: var(--gray-400);
  line-height: 1.6;
}

.footer__email {
  font-size: 0.875rem;
  color: var(--gold-light);
  transition: color var(--duration-fast);
}

.footer__email:hover {
  color: var(--gold);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--gray-600);
}

/* ═══════════════════════════════════════════
   BOOK DEMO PAGE
   ═══════════════════════════════════════════ */
.book-demo {
  padding-top: calc(72px + 3rem);
  padding-bottom: var(--section-py);
  min-height: 100vh;
  background: var(--gray-50);
}

.book-demo__container {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 var(--container-px);
}

.book-demo__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.book-demo__subtitle {
  font-size: 1.0625rem;
  color: var(--gray-600);
  line-height: 1.65;
  margin-bottom: 2.5rem;
}

/* Form styles */
.book-demo__form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form__label {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-800);
}

.form__required {
  color: #e74c3c;
  margin-left: 0.125rem;
}

.form__input {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--gray-800);
  transition:
    border-color var(--duration-fast),
    box-shadow var(--duration-fast);
  width: 100%;
}

.form__input:focus {
  outline: none;
  border-color: var(--blue-bright);
  box-shadow: 0 0 0 3px var(--blue-glow);
}

.form__input::placeholder {
  color: var(--gray-400);
}

.form__textarea {
  resize: vertical;
  min-height: 100px;
}

.form__group--error .form__input {
  border-color: #e74c3c;
}

.form__errors {
  font-size: 0.8125rem;
  color: #e74c3c;
}

.form__errors li {
  list-style: none;
}

.book-demo__submit {
  align-self: flex-start;
  margin-top: 0.5rem;
}

.book-demo__disclaimer {
  font-size: 0.8125rem;
  color: var(--gray-400);
  line-height: 1.5;
  margin-top: 0.25rem;
}

.book-demo__disclaimer a {
  color: var(--blue-bright);
  text-decoration: underline;
}

.book-demo__success {
  text-align: center;
}

/* ═══════════════════════════════════════════
   ANIMATION STAGGER
   ═══════════════════════════════════════════ */
.hero__container [data-animate]:nth-child(1) { transition-delay: 200ms; }
.hero__container [data-animate]:nth-child(2) { transition-delay: 500ms; }

.how-it-works__container .stage:nth-child(2) { transition-delay: 0ms; }
.how-it-works__container .stage:nth-child(3) { transition-delay: 0ms; }
.how-it-works__container .stage:nth-child(4) { transition-delay: 0ms; }
.how-it-works__container .stage:nth-child(5) { transition-delay: 0ms; }
.how-it-works__container .stage:nth-child(6) { transition-delay: 0ms; }

.addons__grid [data-animate]:nth-child(1) { transition-delay: 0ms; }
.addons__grid [data-animate]:nth-child(2) { transition-delay: 80ms; }