/* ==========================================================
   KIWARI BAMBOOE
   Foundation & Variables
========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Cormorant+Garamond:wght@400;500;600;700&display=swap');

:root {
    --bg-color: #F8F6F2;
    --text-color: #2E3B36;
    --primary-color: #17372F;
    --primary-hover: #244A40;
    --accent-color: #A67C52;
    --muted-color: #5C6963;
    --white: #ffffff;
    --border-color: #ECE8E2;
    --font-sans: 'Inter', sans-serif;
    --font-serif: 'Cormorant Garamond', serif;
    --container-width: min(1280px, 92%);
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html{
    scroll-behavior:smooth;
    overflow-x: hidden;
}

body{
    font-family:var(--font-sans);
    background:var(--bg-color);
    color:var(--text-color);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    width: 100%;
}

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

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

ul{
    list-style:none;
}

.container{
    width:var(--container-width);
    margin-inline:auto;
}

/* ==========================================================
   TYPOGRAPHY & LAYOUT UTILITIES
========================================================== */

.section-padding {
    padding-block: clamp(80px, 10vw, 140px);
}

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

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

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

.font-serif {
    font-family: var(--font-serif);
}

.section-eyebrow {
    display: inline-block;
    color: var(--accent-color);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(38px, 4.5vw, 62px);
    line-height: 1.05;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.section-desc {
    font-size: 17px;
    line-height: 1.8;
    color: var(--muted-color);
    max-width: 600px;
    margin-bottom: 40px;
}

.arrow-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 15px;
    color: var(--primary-color);
    transition: var(--transition-smooth);
}

.arrow-link span {
    transition: var(--transition-smooth);
    display: inline-block;
}

.arrow-link:hover {
    color: var(--accent-color);
}

.arrow-link:hover span {
    transform: translateX(6px);
}

/* ==========================================================
   HEADER
========================================================== */

.header{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:90px;
    background:transparent;
    border-bottom:none;
    transition:var(--transition-smooth);
    z-index:1000;
}

.header .container{
    height:90px;
    display:flex;
    align-items:center;
    justify-content:space-between;
}

.logo img{
    width:120px;
}

.nav ul{
    display:flex;
    gap:42px;
}

.nav a{
    font-size:15px;
    font-weight:500;
    transition:0.3s;
}

.nav a:hover{
    color:var(--accent-color);
}

.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    background:var(--primary-color);
    color:var(--white);
    padding:15px 30px;
    border-radius:999px;
    font-weight:600;
    transition:0.3s;
}

.btn:hover{
    background:var(--primary-hover);
}

/* ==========================================================
   SCROLLED HEADER LAYOUT (JS TRIGGERED)
========================================================== */

.header.header-scrolled {
    background: rgba(248, 246, 242, 0.95);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 12px 35px rgba(0,0,0,.08);
}

/* ==========================================================
   ACCESSIBILITY IMPROVEMENTS
========================================================== */

a:focus-visible, button:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 4px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}