/* ==========================================================================
   California Coast Plumbers — Design System
   ========================================================================== */

/* Custom Properties */
:root {
    --color-navy: #1F3669;
    --color-red: #E9262B;
    --color-red-dark: #c71f23;
    --color-dark: #222;
    --color-light: #f0f0f0;
    --color-light-2: #f7f8f9;
    --color-white: #fff;
    --color-muted: #596773;
    --color-border: #e6e6e6;

    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --font-accent: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;

    --max-width: 1200px;
    --radius: 6px;
    --radius-pill: 100px;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 16px;
    --space-lg: 20px;
    --space-xl: 40px;
    --space-2xl: 60px;
    --space-3xl: 80px;
    --space-4xl: 120px;
}

/* 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 {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.5;
    color: var(--color-dark);
    background-color: var(--color-light-2);
    -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
    list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-body);
    margin: 0 0 20px;
    line-height: 1.2;
    text-wrap: balance;
}

h1, h2 {
    letter-spacing: -0.02em;
}

h1 {
    font-size: 40px;
    font-weight: 600;
    color: var(--color-dark);
}

h2 {
    font-size: clamp(28px, 3.5vw, 42px);
    font-weight: 600;
    color: var(--color-dark);
}

h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-navy);
}

h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-navy);
}

/* Accent font only for decorative elements */
.big-heading {
    font-family: var(--font-accent);
}



p {
    margin: 0 0 1.5em;
}

/* Section Label */
.section-label {
    font-size: 17px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-navy);
    margin-bottom: 20px;
    display: block;
}

.section-label--light {
    color: rgba(255, 255, 255, 0.5);
}

.section-label--muted {
    color: var(--color-muted);
}

/* Layout */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.section {
    padding: 80px 0;
}

.section--lg {
    padding: 120px 0;
}

.section--navy {
    position: relative;
    overflow: hidden;
    background-color: var(--color-navy);
    color: var(--color-white);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
}

.section--navy .container {
    position: relative;
    z-index: 1;
}

.section--navy h2 {
    color: var(--color-white);
}

.section--navy .section-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    letter-spacing: 2px;
}

.section--navy a {
    color: var(--color-white);
}

.section--white {
    background-color: var(--color-white);
    padding: 80px 0;
}

.section--light {
    background-color: var(--color-light-2);
    padding: 80px 0;
}

.section--gray {
    background-color: var(--color-light-2);
    padding: 80px 0;
}

/* Grid Utilities */
.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid--2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

.grid--5 {
    grid-template-columns: repeat(5, 1fr);
}

.flex {
    display: flex;
    gap: var(--space-lg);
}

.flex--center {
    align-items: center;
    justify-content: center;
}

.flex--between {
    justify-content: space-between;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 15px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.2s var(--ease-out), color 0.2s var(--ease-out), transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}

.btn:active {
    transform: translateY(0) scale(0.97);
    box-shadow: none;
    transition-duration: 60ms;
}

.btn--primary,
.btn--red {
    background-color: var(--color-red);
    color: var(--color-white);
}

.btn--primary:hover,
.btn--red:hover {
    background-color: var(--color-red-dark);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(233, 38, 43, 0.3);
}

.btn--secondary {
    background-color: var(--color-navy);
    color: var(--color-white);
}

.btn--secondary:hover {
    background-color: var(--color-red);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(31, 54, 105, 0.25);
}

.btn--outline {
    background: transparent;
    border: 2px solid var(--color-white);
    color: var(--color-white);
}

.btn--outline:hover {
    background: var(--color-white);
    color: var(--color-navy);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(255, 255, 255, 0.2);
}

.btn--outline-dark {
    background: transparent;
    border: 2px solid var(--color-navy);
    color: var(--color-navy);
}

.btn--outline-dark:hover {
    background: var(--color-navy);
    color: var(--color-white);
    transform: translateY(-1px);
}

.btn--link {
    background: none;
    color: var(--color-red);
    padding: 0;
    font-weight: 600;
    border-radius: 0;
}

.btn--link:hover {
    color: var(--color-red-dark);
}

.btn-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 32px;
}

/* Text Links */
.text-link {
    color: var(--color-red);
    font-weight: 600;
    transition: color 0.2s ease;
}

.text-link:hover {
    color: var(--color-red-dark);
}

/* Animations */
@keyframes heroFadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Accessibility */
.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;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-navy);
    color: var(--color-white);
    padding: 12px 24px;
    z-index: 100;
    border-radius: var(--radius);
}

.skip-link:focus {
    top: 10px;
}

/* Responsive */
@media (max-width: 1024px) {
    .grid--4,
    .grid--5 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --space-3xl: 60px;
        --space-4xl: 80px;
    }

    .grid--2,
    .grid--3,
    .grid--4,
    .grid--5 {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 0 20px;
    }
}