/* ══════════════════════════════════════════════════════════════════════════
   SUTHERLAND PRIVATE OFFICE — Main Stylesheet
   Palette: Imperial Blue #001D51 · Gold #C9A84C · Near-Black #0A0A0F
   Typography: Cormorant Garamond (display) + Montserrat (UI)
══════════════════════════════════════════════════════════════════════════ */

/* ─── Custom Properties ──────────────────────────────────────────────── */
:root {
  --blue-deep: #001D51;
  --blue-mid: #002875;
  --blue-navy: #001240;
  --gold: #C9A84C;
  --gold-light: #E8C97A;
  --gold-dim: rgba(201, 168, 76, .35);
  --black: #0A0A0F;
  --off-white: #F5F2ED;
  --slate: #8A9BB0;
  --text-white: #FFFFFF;
  --text-muted: rgba(255, 255, 255, .55);
  --text-subtle: rgba(255, 255, 255, .35);

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-ui: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;

  --screen-h: 100vh;
  --transition: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.3s ease;
}

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

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

body {
  background: var(--black);
  color: var(--text-white);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

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

/* ─── Shared: Section Label ──────────────────────────────────────────── */
.section-label {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.35em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 2.5rem;
}

.section-label--light {
  color: var(--gold-light);
}

/* ─── Shared: Screen ─────────────────────────────────────────────────── */
.screen {
  position: relative;
  width: 100%;
  min-height: var(--screen-h);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ─── Shared: Reveal Animations ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal--left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.reveal--left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal--right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.9s ease 0.15s, transform 0.9s ease 0.15s;
}

.reveal--right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal--up {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s ease var(--delay, 0s), transform 0.8s ease var(--delay, 0s);
}

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

/* ══════════════════════════════════════════════════════════════════════
   SCREEN 1 — THE GATEWAY
══════════════════════════════════════════════════════════════════════ */

.screen--gateway {
  min-height: 100vh;
  background-color: var(--blue-navy);
  background-image:
    linear-gradient(160deg,
      rgba(0, 18, 64, 0.92) 0%,
      rgba(0, 29, 81, 0.85) 40%,
      rgba(0, 10, 35, 0.95) 100%),
    url('https://images.unsplash.com/photo-1497366216548-37526070297c?w=1920&q=80&fm=jpg');
  background-size: cover;
  background-position: center 40%;
  overflow: hidden;
}

/* Subtle dark vignette */
.gateway__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 50%, transparent 30%, rgba(0, 5, 20, 0.7) 100%);
  pointer-events: none;
  z-index: 1;
}

/* Film-grain texture */
.gateway__grain {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' 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;
  animation: grain 8s steps(10) infinite;
}

@keyframes grain {

  0%,
  100% {
    transform: translate(0, 0)
  }

  10% {
    transform: translate(-2%, -2%)
  }

  20% {
    transform: translate(2%, -1%)
  }

  30% {
    transform: translate(-1%, 2%)
  }

  40% {
    transform: translate(2%, 2%)
  }

  50% {
    transform: translate(-2%, 1%)
  }

  60% {
    transform: translate(1%, -2%)
  }

  70% {
    transform: translate(-1%, 1%)
  }

  80% {
    transform: translate(2%, -2%)
  }

  90% {
    transform: translate(-2%, 2%)
  }
}

/* Content */
.gateway__content {
  position: relative;
  z-index: 3;
  text-align: left;
  max-width: 960px;
  padding: 0 clamp(1.5rem, 5vw, 5rem);
  width: 100%;
}

.gateway__label {
  font-family: var(--font-ui);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.45em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 2rem;
  animation: fadeUp 1s ease 0.3s both;
}

.gateway__headline {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(3rem, 7vw, 6.5rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--text-white);
  margin-bottom: 1.5rem;
  animation: fadeUp 1s ease 0.5s both;
}

.gateway__headline em {
  font-style: italic;
  color: var(--off-white);
  font-weight: 300;
}

.gateway__descriptor {
  font-family: var(--font-ui);
  font-size: clamp(0.8rem, 1.5vw, 1rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 2.5rem;
  animation: fadeUp 1s ease 0.7s both;
}

.gateway__divider {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  margin-bottom: 2.5rem;
  animation: growLine 1.2s ease 0.9s both;
}

@keyframes growLine {
  from {
    width: 0;
    opacity: 0;
  }

  to {
    width: 60px;
    opacity: 1;
  }
}

/* ─── Button ─────────────────────────────────────────────────── */
.btn--primary {
  display: inline-flex;
  align-items: center;
  animation: fadeUp 1s ease 1s both;
}

.btn__inner {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 2.2rem;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  background: transparent;
}

.btn__inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: translateX(-100%);
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: 0;
}

.btn--primary:hover .btn__inner::before,
.btn--primary:focus .btn__inner::before {
  transform: translateX(0);
}

.btn--primary:hover .btn__inner,
.btn--primary:focus .btn__inner {
  color: var(--black);
}

.btn__text,
.btn__icon {
  position: relative;
  z-index: 1;
}

/* ─── Scroll Cue ─────────────────────────────────────────────── */
.gateway__scroll-cue {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  animation: fadeIn 1s ease 1.5s both;
}

.scroll-cue__line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: pulse 2s ease infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 0.5;
    transform: scaleY(1);
  }

  50% {
    opacity: 1;
    transform: scaleY(1.15);
  }
}

.scroll-cue__text {
  font-family: var(--font-ui);
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.4em;
  color: var(--text-subtle);
}

/* ─── Corner Marks ───────────────────────────────────────────── */
.corner {
  position: absolute;
  width: 20px;
  height: 20px;
  z-index: 3;
  opacity: 0.4;
}

.corner--tl {
  top: 1.5rem;
  left: 1.5rem;
  border-top: 1px solid var(--gold);
  border-left: 1px solid var(--gold);
}

.corner--tr {
  top: 1.5rem;
  right: 1.5rem;
  border-top: 1px solid var(--gold);
  border-right: 1px solid var(--gold);
}

.corner--bl {
  bottom: 1.5rem;
  left: 1.5rem;
  border-bottom: 1px solid var(--gold);
  border-left: 1px solid var(--gold);
}

.corner--br {
  bottom: 1.5rem;
  right: 1.5rem;
  border-bottom: 1px solid var(--gold);
  border-right: 1px solid var(--gold);
}

/* ─── Keyframes ──────────────────────────────────────────────── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(25px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}


/* ══════════════════════════════════════════════════════════════════════
   SCREEN 2 — THE THESIS
══════════════════════════════════════════════════════════════════════ */

.screen--thesis {
  background: var(--blue-deep);
  background-image: linear-gradient(170deg, #001240 0%, #001D51 50%, #002060 100%);
  padding: clamp(5rem, 10vw, 9rem) 0;
  align-items: flex-start;
}

.thesis__inner {
  max-width: 1200px;
  width: 100%;
  padding: 0 clamp(1.5rem, 5vw, 5rem);
  margin: 0 auto;
}

.thesis__layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(3rem, 6vw, 7rem);
  align-items: start;
  margin-top: 1rem;
}

/* Left */
.thesis__headline {
  font-family: var(--font-display);
  font-size: clamp(4rem, 8vw, 8rem);
  font-weight: 300;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--text-white);
  position: sticky;
  top: clamp(3rem, 8vh, 6rem);
}

.thesis__headline em {
  display: block;
  font-style: italic;
  color: var(--gold-light);
  font-size: clamp(4.5rem, 9vw, 9rem);
}

.thesis__accent-line {
  width: 40px;
  height: 2px;
  background: var(--gold);
  margin-top: 2rem;
}

/* Right */
.thesis__lead {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.2vw, 1.6rem);
  font-weight: 400;
  line-height: 1.55;
  color: var(--off-white);
  margin-bottom: 2rem;
}

.thesis__body {
  font-family: var(--font-ui);
  font-size: clamp(0.85rem, 1.1vw, 0.95rem);
  font-weight: 300;
  line-height: 1.85;
  color: rgba(245, 242, 237, 0.72);
  margin-bottom: 1.5rem;
}

.thesis__body strong {
  color: var(--gold-light);
  font-weight: 500;
}

.thesis__quote {
  border-left: 2px solid var(--gold);
  padding: 1.5rem 2rem;
  margin-top: 2.5rem;
  background: rgba(201, 168, 76, 0.06);
}

.thesis__quote blockquote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  font-weight: 400;
  line-height: 1.65;
  color: var(--off-white);
}


/* ══════════════════════════════════════════════════════════════════════
   SCREEN 3 — THE PROPOSITION
══════════════════════════════════════════════════════════════════════ */

.screen--proposition {
  background: var(--black);
  padding: clamp(5rem, 10vw, 9rem) 0 clamp(4rem, 8vw, 7rem);
  align-items: flex-start;
}

.proposition__inner {
  max-width: 1200px;
  width: 100%;
  padding: 0 clamp(1.5rem, 5vw, 5rem);
  margin: 0 auto;
}

.proposition__headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--text-white);
  margin-bottom: 1rem;
}

.proposition__headline em {
  display: block;
  font-style: italic;
  color: var(--gold-light);
}

.proposition__sub {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  color: var(--slate);
  text-transform: uppercase;
  margin-bottom: 4rem;
}

/* ─── UTP Grid ───────────────────────────────────────────────── */
.utp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  border: 1px solid rgba(201, 168, 76, 0.12);
  margin-bottom: 5rem;
}

/* ─── UTP Card ───────────────────────────────────────────────── */
.utp-card {
  background: rgba(0, 29, 81, 0.18);
  border: 1px solid rgba(201, 168, 76, 0.08);
  padding: clamp(1.8rem, 3vw, 2.8rem);
  position: relative;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  overflow: hidden;
}

.utp-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transform: scaleX(0);
  transition: transform 0.5s ease;
  transform-origin: left;
}

.utp-card:hover {
  background: rgba(0, 29, 81, 0.4);
  border-color: rgba(201, 168, 76, 0.2);
}

.utp-card:hover::before {
  transform: scaleX(1);
}

.utp-card__number {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 5vw, 5rem);
  font-weight: 300;
  color: rgba(201, 168, 76, 0.12);
  line-height: 1;
  position: absolute;
  top: 1.5rem;
  right: 1.8rem;
  font-variant-numeric: tabular-nums;
  transition: color var(--transition-fast);
}

.utp-card:hover .utp-card__number {
  color: rgba(201, 168, 76, 0.2);
}

.utp-card__icon {
  margin-bottom: 1.5rem;
}

.utp-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 1.8vw, 1.65rem);
  font-weight: 500;
  color: var(--text-white);
  margin-bottom: 0.5rem;
  line-height: 1.25;
}

.utp-card__utp {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

.utp-card__divider {
  width: 30px;
  height: 1px;
  background: var(--gold-dim);
  margin-bottom: 1.2rem;
}

.utp-card__benefit {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 300;
  line-height: 1.75;
  color: rgba(245, 242, 237, 0.62);
  margin-bottom: 1.5rem;
}

.utp-card__tag {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--gold-dim);
  padding: 0.35rem 0.7rem;
}

/* ─── Contact Strip ──────────────────────────────────────────── */
.contact-strip {
  text-align: center;
  padding: 3.5rem 0;
}

.contact-strip__line {
  width: 60px;
  height: 1px;
  background: var(--gold-dim);
  margin: 0 auto 2rem;
}

.contact-strip__label {
  font-family: var(--font-ui);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.45em;
  color: var(--slate);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.contact-strip__email {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2.2rem);
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--off-white);
  margin-bottom: 1.2rem;
  transition: color var(--transition-fast);
}

.contact-strip__email:hover {
  color: var(--gold-light);
}

.contact-strip__note {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--slate);
  margin-bottom: 2rem;
}


/* ══════════════════════════════════════════════════════════════════════
   MODAL
══════════════════════════════════════════════════════════════════════ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 5, 20, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.modal-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: #060D1F;
  border: 1px solid rgba(201, 168, 76, 0.2);
  max-width: 440px;
  width: 100%;
  padding: clamp(2rem, 4vw, 3rem);
  position: relative;
  transform: translateY(20px);
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Corner accents */
  background-image:
    linear-gradient(var(--gold), var(--gold)),
    linear-gradient(var(--gold), var(--gold)),
    linear-gradient(var(--gold), var(--gold)),
    linear-gradient(var(--gold), var(--gold));
  background-repeat: no-repeat;
  background-size: 20px 1px, 1px 20px, 20px 1px, 1px 20px;
  background-position: top left, top left, bottom right, bottom right;
}

.modal-overlay.is-open .modal {
  transform: translateY(0);
}

.modal__close {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  color: var(--slate);
  padding: 0.4rem;
  transition: color var(--transition-fast);
}

.modal__close:hover {
  color: var(--text-white);
}

.modal__header {
  margin-bottom: 2rem;
}

.modal__eyebrow {
  font-family: var(--font-ui);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.35em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.modal__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 400;
  color: var(--text-white);
  margin-bottom: 0.4rem;
}

.modal__subtitle {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--slate);
  letter-spacing: 0.05em;
}

/* ─── Form ───────────────────────────────────────────────────── */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-family: var(--font-ui);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(138, 155, 176, 0.25);
  color: var(--text-white);
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 300;
  padding: 0.85rem 1rem;
  outline: none;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  letter-spacing: 0.03em;
  -webkit-appearance: none;
}

.form-input:focus {
  border-color: var(--gold-dim);
  background: rgba(201, 168, 76, 0.04);
}

.form-input::placeholder {
  color: rgba(138, 155, 176, 0.45);
}

.form-input-wrap {
  position: relative;
}

.form-toggle-pw {
  position: absolute;
  right: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--slate);
  padding: 0.25rem;
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
}

.form-toggle-pw:hover {
  color: var(--text-white);
}

/* ─── Error ──────────────────────────────────────────────────── */
.form-error {
  display: none;
  align-items: flex-start;
  gap: 0.6rem;
  background: rgba(192, 57, 43, 0.1);
  border: 1px solid rgba(192, 57, 43, 0.25);
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
}

.form-error.is-visible {
  display: flex;
}

.form-error span {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 400;
  color: #E57373;
  line-height: 1.5;
}

.form-error svg {
  flex-shrink: 0;
  margin-top: 2px;
}

/* ─── Submit Button ──────────────────────────────────────────── */
.btn--modal {
  width: 100%;
  margin-top: 0.5rem;
}

.btn--modal .btn__inner {
  width: 100%;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 1rem 2rem;
}

.btn--modal:hover .btn__inner::before {
  transform: translateX(0);
}

.btn--modal:hover .btn__inner {
  color: var(--black);
}

/* Spinner */
.btn__spinner {
  display: none;
  width: 14px;
  height: 14px;
  border: 1.5px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  position: relative;
  z-index: 1;
}

.btn__spinner.is-spinning {
  display: block;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ─── Modal Footer ───────────────────────────────────────────── */
.modal__footer-note {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 300;
  color: var(--slate);
  text-align: center;
  margin-top: 1.5rem;
  line-height: 1.7;
}

.modal__footer-note a {
  color: var(--gold-light);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.modal__footer-note a:hover {
  border-color: var(--gold-light);
}


/* ══════════════════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════════════════ */

@media (max-width: 900px) {
  .thesis__layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .thesis__headline {
    position: static;
  }

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

@media (max-width: 600px) {
  .gateway__content {
    padding: 0 1.5rem;
  }

  .gateway__headline {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

  .corner {
    display: none;
  }

  .thesis__inner,
  .proposition__inner {
    padding: 0 1.5rem;
  }

  .thesis__headline {
    font-size: clamp(3rem, 14vw, 5rem);
  }

  .utp-card {
    padding: 1.8rem 1.5rem;
  }
}