@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --color-white:   #FFFFFF;
  --color-black:   #0A0A0A;
  --color-dark:    #111111;
  --color-gray:    #F5F5F5;
  --color-gray-mid: #888888;

  --color-accent:      #0A3D36;
  --color-accent-dark: #072e2a;

  --color-text-primary:   #0A0A0A;
  --color-text-secondary: #555555;
  --color-text-light:     #888888;
  --color-text-white:     #FFFFFF;

  --hover-teal:   #79D3B4;
  --hover-blue:   #9EC0C4;
  --hover-green:  #0A3D36;
  --hover-rose:   #A58688;
  --hover-orange: #0A3D36;
  --hover-yellow: #E5B914;
  --hover-purple: #742977;

  --container-max: 1310px;
  --section-pad-y: clamp(60px, 8vw, 120px);
  --section-pad-x: clamp(20px, 4vw, 60px);
  --gap-default:   24px;
  --border-radius: 0px;
  --border-radius-sm: 4px;

  --nav-height: 80px;
  --transition-base: 0.3s ease;
  --transition-slow: 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-white);
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

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

input, textarea {
  font-family: inherit;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.1;
}

h1 { font-size: clamp(48px, 6vw, 96px); }
h2 { font-size: clamp(32px, 4vw, 56px); }
h3 { font-size: clamp(24px, 3vw, 36px); }
h4 { font-size: clamp(18px, 2vw, 24px); }

.hero-text {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(52px, 8vw, 130px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
}

.section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(36px, 5vw, 72px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.paragraph-xl {
  font-size: clamp(17px, 1.4vw, 20px);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.paragraph-m {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-light);
}

/* Layout */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--section-pad-x);
}

.section {
  padding: var(--section-pad-y) 0;
}

._100width { width: 100%; }
.overflow-hidden { overflow: hidden; }
.black-background { background-color: var(--color-black); }
.gray-background { background-color: var(--color-gray); }

/* Button */
.button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background-color: var(--color-black);
  color: var(--color-white);
  border: 2px solid var(--color-black);
  cursor: pointer;
  transition: background-color var(--transition-base), color var(--transition-base);
}

.button:hover {
  background-color: transparent;
  color: var(--color-black);
}

.button.white {
  background-color: var(--color-white);
  color: var(--color-black);
  border-color: var(--color-white);
}

.button.white:hover {
  background-color: transparent;
  color: var(--color-white);
}

.button.accent {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

.button.accent:hover {
  background-color: transparent;
  color: var(--color-accent);
}

.button svg, .button .arrow-icon {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-base);
}

.button:hover svg, .button:hover .arrow-icon {
  transform: translateX(4px);
}

/* Utility */
.accent-color { color: var(--color-accent); }
.white-color  { color: var(--color-white); }
.text-center  { text-align: center; }
.text-upper   { text-transform: uppercase; letter-spacing: 0.08em; }
.sticky { position: sticky; top: 40px; }

/* Responsive helpers */
@media (max-width: 991px) { .hide-tablet { display: none !important; } }
@media (max-width: 767px) { .hide-mobile-landscape { display: none !important; } }
@media (max-width: 479px) { .hide-mobile { display: none !important; } }