/* Base & Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(13, 148, 136, 0.15);
    color: #134e4a;
}

/* Scroll Reveal — progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
    [data-reveal] {
        opacity: 0;
        transform: translateY(16px);
        transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                    transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

    [data-reveal].revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar */
#navbar {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

#navbar.scrolled {
    border-bottom-color: rgba(0, 0, 0, 0.06);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.04);
}

/* Section Labels */
.section-label {
    display: block;
}

/* Section Headings */
.section-heading {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 400;
    line-height: 1.15;
    color: #1e293b;
    letter-spacing: -0.01em;
}

/* Sub-headings */
.section-sub-heading {
    font-size: 1rem;
    line-height: 1.75;
}

/* Service Cards */
.service-card {
    /* default visible state for no-JS */
}

/* Approach Items */
.approach-item {
    /* default visible state for no-JS */
}

/* Mobile Menu Animation */
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#menu-toggle.active .menu-line:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
}

#menu-toggle.active .menu-line:nth-child(2) {
    transform: translateY(-5px) rotate(-45deg);
    opacity: 0;
}

/* Hero Eyebrow */
.hero-eyebrow {
    display: inline-block;
}

/* Smooth focus outlines */
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
a:focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Form input autofill */
input:-webkit-autofill,
textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #1e293b inset !important;
    -webkit-text-fill-color: #f8fafc !important;
    caret-color: #f8fafc;
}