/* ===== Custom Properties ===== */
:root {
    --color-navy-50: #f8fafc;
    --color-navy-100: #e8edf5;
    --color-navy-200: #c5d3e8;
    --color-navy-300: #94aac8;
    --color-navy-400: #6b89b5;
    --color-navy-500: #4a6d9a;
    --color-navy-600: #36547d;
    --color-navy-700: #2c4466;
    --color-navy-800: #253652;
    --color-navy-900: #1a2538;
    --color-amber-400: #f0c040;
    --color-amber-500: #d4a017;
    --color-amber-600: #b8860b;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Manrope', sans-serif;
    font-weight: 300;
    line-height: 1.7;
    color: #1a2538;
    background-color: #ffffff;
    overflow-x: hidden;
}

/* ===== Typography ===== */
.font-cormorant {
    font-family: 'Cormorant Garamond', serif;
}

.font-manrope {
    font-family: 'Manrope', sans-serif;
}

/* ===== Tailwind Config ===== */
@tailwind base;
@tailwind components;
@tailwind utilities;

/* ===== Custom Tailwind Extensions ===== */
@layer utilities {
    .text-navy-50 { color: var(--color-navy-50); }
    .text-navy-100 { color: var(--color-navy-100); }
    .text-navy-200 { color: var(--color-navy-200); }
    .text-navy-300 { color: var(--color-navy-300); }
    .text-navy-400 { color: var(--color-navy-400); }
    .text-navy-500 { color: var(--color-navy-500); }
    .text-navy-600 { color: var(--color-navy-600); }
    .text-navy-700 { color: var(--color-navy-700); }
    .text-navy-800 { color: var(--color-navy-800); }
    .text-navy-900 { color: var(--color-navy-900); }
    
    .bg-navy-50 { background-color: var(--color-navy-50); }
    .bg-navy-100 { background-color: var(--color-navy-100); }
    .bg-navy-200 { background-color: var(--color-navy-200); }
    .bg-navy-300 { background-color: var(--color-navy-300); }
    .bg-navy-400 { background-color: var(--color-navy-400); }
    .bg-navy-500 { background-color: var(--color-navy-500); }
    .bg-navy-600 { background-color: var(--color-navy-600); }
    .bg-navy-700 { background-color: var(--color-navy-700); }
    .bg-navy-800 { background-color: var(--color-navy-800); }
    .bg-navy-900 { background-color: var(--color-navy-900); }
    
    .text-amber-400 { color: var(--color-amber-400); }
    .text-amber-500 { color: var(--color-amber-500); }
    .text-amber-600 { color: var(--color-amber-600); }
    
    .bg-amber-400 { background-color: var(--color-amber-400); }
    .bg-amber-500 { background-color: var(--color-amber-500); }
    .bg-amber-600 { background-color: var(--color-amber-600); }
    
    .border-navy-50 { border-color: var(--color-navy-50); }
    .border-navy-100 { border-color: var(--color-navy-100); }
    .border-navy-200 { border-color: var(--color-navy-200); }
    .border-navy-300 { border-color: var(--color-navy-300); }
    .border-amber-400 { border-color: var(--color-amber-400); }
}

/* ===== Navbar ===== */
#navbar {
    backdrop-filter: blur(0px);
    transition: background-color 0.5s ease, padding 0.5s ease, backdrop-filter 0.5s ease;
}

#navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    padding-top: 1rem;
    padding-bottom: 1rem;
    box-shadow: 0 1px 0 rgba(26, 37, 56, 0.08);
}

#navbar.scrolled .text-navy-900,
#navbar.scrolled .text-navy-700 {
    color: #1a2538;
}

/* ===== Mobile Menu ===== */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.mobile-menu-open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu-open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu-open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu-open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu-open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu-open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* ===== Menu Button Animation ===== */
.menu-open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.menu-open .menu-line:nth-child(2) {
    opacity: 0;
}

.menu-open .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(4px, -4px);
}

/* ===== Hero Animations ===== */
.hero-anim {
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.hero-anim.hero-visible {
    opacity: 1;
    transform: translateY(0);
}

.hero-anim:nth-child(1) { transition-delay: 0.2s; }
.hero-anim:nth-child(2) { transition-delay: 0.4s; }
.hero-anim:nth-child(3) { transition-delay: 0.6s; }
.hero-anim:nth-child(4) { transition-delay: 0.8s; }

/* ===== Scroll Reveal ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ===== Thin Lines & Borders ===== */
.line-thin {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-navy-200), transparent);
}

/* ===== Button Focus Styles ===== */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-amber-400);
    outline-offset: 2px;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-navy-50);
}

::-webkit-scrollbar-thumb {
    background: var(--color-navy-200);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-navy-400);
}

/* ===== Selection ===== */
::selection {
    background-color: var(--color-amber-400);
    color: var(--color-navy-900);
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .font-cormorant {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }
}