:root {
  --color-surface-primary: #eef4f5;
  --color-surface-secondary: #fbfcfa;
  --color-surface-tertiary: #17324b;
  --color-surface-quaternary: #dce9e8;

  --color-text-primary: #102535;
  --color-text-secondary: #60717c;
  --color-text-accent: #d8503b;

  --color-cta-primary-bg: #e05b43;
  --color-cta-primary-text: #ffffff;

  --color-border-strong: #ef785d;
  --color-border-soft: rgba(16,37,53,0.14);

  --color-focus: #ef785d;

  --font-heading: "Cormorant Garamond", serif;
  --font-body: Inter, "Helvetica Neue", Arial, sans-serif;

  --text-display: clamp(2.25rem, 4vw, 3.5rem);
  --text-h1: clamp(1.875rem, 3vw, 2.25rem);
  --text-h2: 1.5rem;
  --text-h3: 1.125rem;
  --text-body: 1rem;
  --text-small: 0.875rem;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 2rem;
  --space-4: 3rem;
  --space-5: 4.5rem;
  --space-6: 6rem;

  --container-max: 1240px;
  --container-pad: 2rem;
  --container-pad-mobile: 1rem;

  --radius-sm: 999px;
  --radius-card: 24px;
  --shadow-soft: 0 24px 70px rgba(16,37,53,0.09);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.5;
  color: var(--color-text-primary);
  background: var(--color-surface-primary);
  min-height: 100vh;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

img {
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

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

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.015em;
  margin-block-end: var(--space-2);
}

h1 {
  font-size: var(--text-display);
}

h2 {
  font-size: var(--text-h1);
}

h3 {
  font-size: var(--text-h2);
}

h4 {
  font-size: var(--text-h3);
}

p {
  margin-block-end: var(--space-2);
  color: var(--color-text-primary);
}

small {
  font-size: var(--text-small);
}

ul,
ol {
  padding-left: 1.2em;
  margin-block-end: var(--space-2);
}

li > ul,
li > ol {
  margin-block-end: 0;
}

blockquote {
  margin-block-end: var(--space-3);
  padding-left: var(--space-2);
  border-left: 2px solid var(--color-border-strong);
  color: var(--color-text-secondary);
}

hr {
  border: none;
  border-top: 1px solid var(--color-border-soft);
  margin-block: var(--space-3);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

@media (max-width: 768px) {
  .container {
    padding-inline: var(--container-pad-mobile);
  }
}

.section {
  position: relative;
  padding-block: clamp(4.5rem, 8vw, 8rem);
}

@media (max-width: 768px) {
  .section {
    padding-block: var(--space-4);
  }
}

.surface-primary {
  background: var(--color-surface-primary);
}

.surface-secondary {
  background: var(--color-surface-secondary);
}

.surface-tertiary {
  background: var(--color-surface-tertiary);
  color: #f4f8f8;
}

.surface-tertiary :is(h1,h2,h3,h4,p,li) {
  color: inherit;
}

.surface-quaternary {
  background: var(--color-surface-quaternary);
}

.panel {
  background: var(--color-surface-secondary);
  border: 1px solid var(--color-border-soft);
  padding: var(--space-3);
  border-radius: var(--radius-card);
  box-shadow: 0 10px 35px rgba(16,37,53,0.04);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.panel:hover {
  transform: translateY(-5px);
  border-color: rgba(224,91,67,.42);
  box-shadow: var(--shadow-soft);
}

.panel > *:last-child {
  margin-bottom: 0;
}

.text-accent {
  color: var(--color-text-accent);
}

.text-secondary {
  color: var(--color-text-secondary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.9em 1.65em;
  font-size: var(--text-small);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--color-cta-primary-bg);
  color: var(--color-cta-primary-text);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 600;
  box-shadow: 0 10px 24px rgba(224,91,67,.22);
  transition: background 0.2s ease, transform .2s ease, box-shadow .2s ease;
}

.btn:hover {
  background: #c94733;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(224,91,67,.3);
}

.btn:active {
  background: #ad3928;
  transform: translateY(0);
}

.btn:focus-visible {
  border-color: var(--color-border-strong);
  outline: none;
  box-shadow: 0 0 0 2px var(--color-border-strong);
}

.link {
  position: relative;
}

.link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: var(--color-border-strong);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.link:hover::after {
  transform: scaleX(1);
}

.flex {
  display: flex;
  gap: var(--space-2);
}

.flex > * {
  min-width: 0;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.stack > * + * {
  margin-top: var(--space-2);
}

.stack-lg > * + * {
  margin-top: var(--space-3);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

input,
textarea,
select {
  padding: 0.85em 1em;
  border: 1px solid var(--color-border-soft);
  border-radius: 12px;
  background: var(--color-surface-secondary);
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--color-border-strong);
  outline: none;
  box-shadow: 0 0 0 2px var(--color-border-strong);
}

label {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
}

ul { list-style: none !important; }
.nav-toggle { flex-direction: column; }

main > section:first-child {
  overflow: hidden;
  background:
    radial-gradient(circle at 84% 10%, rgba(104,190,185,.28), transparent 28%),
    linear-gradient(135deg, #102a43 0%, #173b55 58%, #1d5261 100%);
  color: #f7fbfb;
}

main > section:first-child::before {
  content: "";
  position: absolute;
  width: 24rem;
  aspect-ratio: 1;
  left: -12rem;
  bottom: -15rem;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 50%;
  box-shadow: 0 0 0 4rem rgba(255,255,255,.025), 0 0 0 8rem rgba(255,255,255,.018);
}

main > section:first-child :is(h1,h2,h3,p) { color: inherit; }
main > section:first-child h1 { max-width: 15ch; }
main > section:first-child img {
  border-radius: 180px 24px 24px 24px;
  box-shadow: 0 30px 80px rgba(0,0,0,.28);
}

main section:nth-child(4n+2):not(:first-child) { isolation: isolate; }
main section:nth-child(4n+2):not(:first-child)::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 11rem;
  height: 11rem;
  right: -5rem;
  top: 2rem;
  border-radius: 50%;
  background: rgba(104,190,185,.12);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}