/* =========================================================
   CORE.CSS
   Global basics only: variables, reset, layout, headings, buttons.
========================================================= */


/* =========================================================
   VARIABLES
========================================================= */

:root {
  /* Brand */
  --colour-primary: #00aeef;
  --colour-primary-hover: #019bd6;
  --colour-primary-soft: rgba(0, 174, 239, 0.12);

  /* Neutrals */
  --colour-dark: #202832;
  --colour-dark-hover: #151b22;
  --colour-white: #ffffff;
  --colour-black: #000000;

  /* Backgrounds */
  --colour-page-bg: #f3f5f7;
  --colour-section-bg: #ffffff;
  --colour-light-bg: #f7f9fb;
  --colour-grey-bg: #e8edf1;
  --colour-grey-bg-hover: #dce4ea;

  /* Text */
  --colour-text: #202832;
  --colour-text-mid: #555f6b;
  --colour-text-muted: #6f7a86;
  --colour-text-light: #ffffff;

  /* UI */
  --colour-border: rgba(32, 40, 50, 0.12);
  --colour-focus-ring: rgba(0, 174, 239, 0.65);

  --shadow-soft: 0 10px 28px rgba(0, 0, 0, 0.10);
  --shadow-medium: 0 16px 38px rgba(0, 0, 0, 0.16);

  /* Layout */
  --container-width: 1300px;
  --container-padding: 20px;
  --section-padding: clamp(48px, 7vw, 90px);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  
  /* Font */
  --font-main: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}


/* =========================================================
   FONTS
========================================================= */

@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("../fonts/PlusJakartaSans-VariableFont_wght.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: optional;
}

@font-face {
  font-family: "Poppins";
  src: url("../fonts/poppins-v24-latin-regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: optional;
}

@font-face {
  font-family: "Poppins";
  src: url("../fonts/poppins-v24-latin-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: optional;
}

@font-face {
  font-family: "Poppins";
  src: url("../fonts/poppins-v24-latin-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: optional;
}

@font-face {
  font-family: "Poppins";
  src: url("../fonts/poppins-v24-latin-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: optional;
}

@font-face {
  font-family: "Poppins";
  src: url("../fonts/poppins-v24-latin-800.woff2") format("woff2");
  font-weight: 800;
  font-style: normal;
  font-display: optional;
}

@font-face {
  font-family: "Poppins";
  src: url("../fonts/poppins-v24-latin-900.woff2") format("woff2");
  font-weight: 900;
  font-style: normal;
  font-display: optional;
}

/* =========================================================
   RESET / BASE
========================================================= */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--colour-page-bg);
  color: var(--colour-text);
  font-family: var(--font-main);
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

/* Scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--colour-primary) var(--colour-light-bg);
}

::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: var(--colour-dark-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--colour-primary);
  border: 3px solid var(--colour-light-bg);
  border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--colour-primary-hover);
}

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

img {
  display: block;
}

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

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

button {
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--colour-focus-ring);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}


/* =========================================================
   LAYOUT
========================================================= */

.container {
  width: min(var(--container-width), calc(100% - 40px));
  margin-inline: auto;
}

.section {
  padding-block: var(--section-padding);
}

.section-light {
  background: var(--colour-light-bg);
}

.section-white {
  background: var(--colour-white);
}

.section-dark {
  background: var(--colour-dark);
  color: var(--colour-white);
}

.row {
  display: flex;
  flex-wrap: wrap;
}

.grid-left,
.grid-right {
  flex: 1 1 50%;
  max-width: 50%;
  padding: 20px;
}

@media (max-width: 900px) {
  .grid-left,
  .grid-right {
    flex-basis: 100%;
    max-width: 100%;
    padding: 16px 0;
  }
}

@media (max-width: 600px) {
  .container {
    width: min(100% - 28px, var(--container-width));
  }

  .row {
    display: block;
  }
}


/* =========================================================
   HEADINGS
========================================================= */

.section-kicker {
    color: var(--colour-primary) !important;
    font-size: 1.28rem !important;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin: 0 0 18px;
        text-align: center;
}

.section-title {
  color: var(--colour-dark);
  font-size: clamp(1.9rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.035em;
  text-align: center;
  text-transform: lowercase;
  text-wrap: balance;
}

.section-title-bar {
  margin: 0 0 20px 0;
}

.section-title span,
.section-title .accent {
  color: var(--colour-primary);
}

.section-title-sm {
  font-size: clamp(1.5rem, 2.5vw, 1.9rem);
}

.section-title-lg {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  letter-spacing: -0.045em;
}

.section-title-left {
  text-align: left;
}

.section-title-center {
  text-align: center;
  margin-inline: auto;
}

.section-title-white {
  color: var(--colour-white);
}

.section-title-blue {
  color: var(--colour-primary);
}

.section-title-muted {
  color: var(--colour-text-muted);
}

.section-intro {
  max-width: 680px;
  margin: 0 auto 32px;
  color: var(--colour-text-mid);
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.7;
  text-align: center;
}


/* =========================================================
   BUTTONS
========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;

  min-height: 48px;
  padding: 14px 28px;

  border: 1px solid transparent;
  border-radius: var(--radius-sm);

  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-decoration: none;

  color: var(--colour-dark);
  background: var(--colour-white);
  box-shadow: var(--shadow-soft);

  cursor: pointer;
  appearance: none;

  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background-color 0.18s ease,
    border-color 0.18s ease,
    color 0.18s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.btn svg,
.btn i {
  flex: 0 0 auto;
}


/* Button colours */

.btn-blue {
  background: var(--colour-primary);
  color: var(--colour-white);
}

.btn-blue:hover,
.btn-blue:focus-visible {
  background: var(--colour-primary-hover);
  color: var(--colour-white);
}

.btn-dark {
  background: var(--colour-dark);
  color: var(--colour-white);
}

.btn-dark:hover,
.btn-dark:focus-visible {
  background: var(--colour-dark-hover);
  color: var(--colour-white);
}

.btn-white {
  background: var(--colour-white);
  color: var(--colour-dark);
}

.btn-white:hover,
.btn-white:focus-visible {
  background: var(--colour-light-bg);
  color: var(--colour-dark);
}

.btn-grey {
  background: var(--colour-grey-bg);
  color: var(--colour-dark);
}

.btn-grey:hover,
.btn-grey:focus-visible {
  background: var(--colour-grey-bg-hover);
  color: var(--colour-dark);
}

.btn-outline-blue {
  background: transparent;
  border-color: var(--colour-primary);
  color: var(--colour-primary);
  box-shadow: none;
}

.btn-outline-blue:hover,
.btn-outline-blue:focus-visible {
  background: var(--colour-primary);
  color: var(--colour-white);
  box-shadow: var(--shadow-soft);
}

.btn-outline-white {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.75);
  color: var(--colour-white);
  box-shadow: none;
}

.btn-outline-white:hover,
.btn-outline-white:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--colour-white);
  color: var(--colour-white);
}


/* Button sizes */

.btn-sm {
  min-height: 40px;
  padding: 11px 20px;
  font-size: 13px;
}

.btn-lg {
  min-height: 54px;
  padding: 16px 34px;
  font-size: 15px;
}

.btn-xl {
  min-height: 60px;
  padding: 18px 42px;
  font-size: 16px;
}

.btn-full {
  width: 100%;
}


/* Mobile buttons */

@media (max-width: 520px) {
  .btn,
  .btn-lg,
  .btn-xl {
    width: 100%;
    min-height: 52px;
    padding-inline: 22px;
  }
}


/* =========================================================
   MOTION PREFERENCE
========================================================= */

@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;
  }
}