/* ============================================
   ACUAMEDIA - Oficina Inteligente
   Fluid Oceanic Minimalism Design System
   ============================================ */

/* CSS Custom Properties */
:root {
    /* Primary Palette - Deep Ocean */
    --color-primary-900: #1a2f4a;
    --color-primary-800: #243b5a;
    --color-primary-700: #2e4a6e;
    --color-primary-600: #3d5a80;
    --color-primary-500: #4a6fa5;
    --color-primary-400: #6b8cba;
    --color-primary-300: #8eaace;
    --color-primary-200: #b5c9e0;
    --color-primary-100: #dce7f2;
    --color-primary-50: #f0f5fa;

    /* Accent - Coral Warmth */
    --color-accent-600: #c44536;
    --color-accent-500: #e85a4f;
    --color-accent-400: #f07167;
    --color-accent-300: #f4978e;

    /* Teal Complement */
    --color-teal-600: #0d7377;
    --color-teal-500: #14919b;
    --color-teal-400: #3aafb9;
    --color-teal-300: #6ec6cd;

    /* Neutrals */
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;

    /* Typography */
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Source Sans 3', sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 40px rgba(61, 90, 128, 0.3);

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --transition-slower: 500ms ease;

    /* Layout */
    --container-max: 1200px;
    --header-height: 72px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

button, input, select, textarea {
    font: inherit;
    color: inherit;
}

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

/* Focus styles */
:focus-visible {
    outline: 3px solid var(--color-accent-400);
    outline-offset: 2px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    z-index: 9999;
    padding: var(--space-3) var(--space-6);
    background: var(--color-primary-600);
    color: var(--color-white);
    border-radius: var(--radius);
    font-weight: 500;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-4);
}

/* ============================================
   Layout
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section {
    padding: var(--space-16) 0;
    position: relative;
    overflow: hidden;
}

@media (min-width: 768px) {
    .section {
        padding: var(--space-24) 0;
    }
}

.section--light {
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-primary-50) 100%);
}

.section--dark {
    background: linear-gradient(135deg, var(--color-primary-800) 0%, var(--color-primary-900) 100%);
    color: var(--color-white);
}

.section--accent {
    background: linear-gradient(135deg, var(--color-teal-600) 0%, var(--color-primary-700) 100%);
    color: var(--color-white);
}

.section__header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section__title {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: inherit;
}

@media (min-width: 768px) {
    .section__title {
        font-size: var(--text-4xl);
    }
}

.section__subtitle {
    font-size: var(--text-lg);
    color: var(--color-gray-500);
    max-width: 600px;
    margin: 0 auto;
}

.section--dark .section__subtitle,
.section--accent .section__subtitle {
    color: var(--color-primary-200);
}

/* ============================================
   Header
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 1000;
    transition: box-shadow var(--transition-base);
}

.header--scrolled {
    box-shadow: var(--shadow-md);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.header__logo img {
    height: 40px;
    width: auto;
}

.header__menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    padding: 4px;
    z-index: 1001;
}

@media (min-width: 1024px) {
    .header__menu-toggle {
        display: none;
    }
}

.header__menu-bar {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-primary-700);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-fast);
}

.header__menu-toggle[aria-expanded="true"] .header__menu-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.header__menu-toggle[aria-expanded="true"] .header__menu-bar:nth-child(2) {
    opacity: 0;
}

.header__menu-toggle[aria-expanded="true"] .header__menu-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.header__nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-white);
    padding: calc(var(--header-height) + var(--space-8)) var(--space-8) var(--space-8);
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-slow);
    z-index: 1000;
}

.header__nav.is-open {
    right: 0;
}

@media (min-width: 1024px) {
    .header__nav {
        position: static;
        width: auto;
        max-width: none;
        height: auto;
        background: transparent;
        padding: 0;
        box-shadow: none;
    }
}

.header__nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

@media (min-width: 1024px) {
    .header__nav-list {
        flex-direction: row;
        gap: var(--space-1);
    }
}

.header__nav-link {
    display: block;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    border-radius: var(--radius);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.header__nav-link:hover {
    color: var(--color-primary-600);
    background: var(--color-primary-50);
}

.header__cta {
    display: none;
}

@media (min-width: 1024px) {
    .header__cta {
        display: inline-flex;
        margin-left: var(--space-6);
    }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn--large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-accent-500) 0%, var(--color-accent-600) 100%);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(232, 90, 79, 0.4);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 90, 79, 0.5);
}

.btn--secondary {
    background: var(--color-primary-600);
    color: var(--color-white);
}

.btn--secondary:hover {
    background: var(--color-primary-700);
    transform: translateY(-1px);
}

.btn--outline {
    border: 2px solid currentColor;
    background: transparent;
}

.btn--outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn__icon {
    flex-shrink: 0;
}

/* ============================================
   Hero
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    background: linear-gradient(180deg, var(--color-primary-50) 0%, var(--color-white) 100%);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero__wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: var(--color-primary-100);
    opacity: 0.5;
}

.hero__wave--1 {
    border-radius: 100% 100% 0 0 / 100%;
    transform: translateY(60%);
}

.hero__wave--2 {
    background: var(--color-primary-200);
    opacity: 0.3;
    border-radius: 80% 120% 0 0 / 100%;
    transform: translateY(70%);
}

.hero__wave--3 {
    background: var(--color-primary-300);
    opacity: 0.2;
    border-radius: 120% 80% 0 0 / 100%;
    transform: translateY(80%);
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-12) 0;
}

.hero__eyebrow {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: var(--color-primary-100);
    color: var(--color-primary-700);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 500;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
}

.hero__title {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-6);
}

.hero__title-line {
    display: block;
    font-size: var(--text-4xl);
    color: var(--color-primary-800);
}

@media (min-width: 768px) {
    .hero__title-line {
        font-size: var(--text-5xl);
    }
}

@media (min-width: 1024px) {
    .hero__title-line {
        font-size: var(--text-6xl);
    }
}

.hero__title-accent {
    display: block;
    font-size: var(--text-2xl);
    font-weight: 400;
    color: var(--color-teal-500);
    margin: var(--space-2) 0;
}

@media (min-width: 768px) {
    .hero__title-accent {
        font-size: var(--text-3xl);
    }
}

.hero__title-sub {
    display: block;
    font-size: var(--text-xl);
    font-weight: 400;
    color: var(--color-gray-600);
}

@media (min-width: 768px) {
    .hero__title-sub {
        font-size: var(--text-2xl);
    }
}

.hero__subtitle {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto var(--space-10);
}

.hero__subtitle em {
    font-style: normal;
    color: var(--color-gray-400);
    font-size: 0.9em;
}

.hero__ctas {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
}

@media (min-width: 480px) {
    .hero__ctas {
        flex-direction: row;
        justify-content: center;
    }
}

.hero__scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-primary-300);
    border-radius: 12px;
    opacity: 0.6;
}

.hero__scroll-indicator span {
    display: block;
    width: 4px;
    height: 8px;
    background: var(--color-primary-400);
    border-radius: 2px;
    margin: 6px auto 0;
    animation: scroll-bounce 2s infinite;
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(12px); opacity: 0.3; }
}

/* ============================================
   Evolution Section
   ============================================ */
.evolution {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

@media (min-width: 768px) {
    .evolution {
        flex-direction: row;
        justify-content: center;
    }
}

.evolution__item {
    text-align: center;
    padding: var(--space-8);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    max-width: 300px;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.evolution__item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.evolution__item--highlight {
    background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-glow);
}

.evolution__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-4);
    background: var(--color-primary-50);
    border-radius: 50%;
    color: var(--color-primary-600);
}

.evolution__item--highlight .evolution__icon {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
}

.evolution__item h3 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.evolution__item p {
    font-size: var(--text-sm);
    opacity: 0.8;
    margin-bottom: var(--space-3);
}

.evolution__desc {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

.evolution__item--highlight .evolution__desc {
    color: var(--color-primary-200);
}

.evolution__arrow {
    display: none;
    color: var(--color-primary-400);
}

@media (min-width: 768px) {
    .evolution__arrow {
        display: flex;
        align-items: center;
        animation: arrow-pulse 2s infinite;
    }
}

@keyframes arrow-pulse {
    0%, 100% { transform: translateX(0); opacity: 0.6; }
    50% { transform: translateX(8px); opacity: 1; }
}

/* Benefits */
.benefits {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .benefits {
        grid-template-columns: repeat(3, 1fr);
    }
}

.benefit {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-6);
}

.benefit__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--color-teal-500);
    color: var(--color-white);
    border-radius: 50%;
    margin-bottom: var(--space-4);
}

.benefit h4 {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--color-primary-800);
}

.benefit p {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

/* ============================================
   Services
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    position: relative;
    padding: var(--space-8);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.service-card--featured {
    background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-glow);
}

.service-card--featured:hover {
    box-shadow: 0 0 60px rgba(61, 90, 128, 0.4);
}

.service-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.service-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--color-primary-100);
    color: var(--color-primary-600);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.service-card--featured .service-card__icon {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
}

.service-card__tag {
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-card--featured .service-card__tag {
    color: var(--color-primary-200);
}

.service-card__title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.service-card__benefits {
    margin-bottom: var(--space-6);
}

.service-card__benefits li {
    position: relative;
    padding-left: var(--space-6);
    margin-bottom: var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.service-card--featured .service-card__benefits li {
    color: var(--color-primary-100);
}

.service-card__benefits li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 8px;
    height: 8px;
    background: var(--color-teal-500);
    border-radius: 50%;
}

.service-card--featured .service-card__benefits li::before {
    background: var(--color-accent-400);
}

.service-card__cta {
    width: 100%;
}

.service-card--featured .service-card__cta {
    background: var(--color-white);
    color: var(--color-primary-700);
}

.service-card--featured .service-card__cta:hover {
    background: var(--color-primary-50);
}

/* ============================================
   Use Cases
   ============================================ */
.filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-10);
}

.filter-chip {
    padding: var(--space-2) var(--space-4);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-primary-200);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.filter-chip:hover {
    background: rgba(255, 255, 255, 0.2);
}

.filter-chip--active {
    background: var(--color-white);
    color: var(--color-primary-700);
    border-color: var(--color-white);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.use-case {
    padding: var(--space-6);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.use-case:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.use-case.is-hidden {
    display: none;
}

.use-case__area {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--color-teal-500);
    color: var(--color-white);
    font-size: var(--text-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.use-case__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

@media (min-width: 640px) {
    .use-case__content {
        flex-direction: row;
        align-items: flex-start;
    }
}

.use-case__friction,
.use-case__solution {
    flex: 1;
}

.use-case__label {
    display: block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
    color: var(--color-primary-300);
}

.use-case__friction .use-case__label {
    color: var(--color-accent-300);
}

.use-case__content p {
    font-size: var(--text-sm);
    line-height: 1.5;
}

.use-case__arrow {
    display: none;
    font-size: var(--text-2xl);
    color: var(--color-primary-400);
    padding-top: var(--space-4);
}

@media (min-width: 640px) {
    .use-case__arrow {
        display: block;
    }
}

.use-case__kpi {
    padding-top: var(--space-4);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: var(--text-sm);
    color: var(--color-primary-200);
}

.use-case__kpi span {
    font-weight: 600;
    color: var(--color-teal-300);
}

/* ============================================
   Timeline / Methodology
   ============================================ */
.timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    padding-left: var(--space-12);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary-300), var(--color-teal-400));
}

.timeline__item {
    position: relative;
    padding-bottom: var(--space-10);
}

.timeline__item:last-child {
    padding-bottom: 0;
}

.timeline__marker {
    position: absolute;
    left: calc(-1 * var(--space-12) + 8px);
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-teal-500) 100%);
    color: var(--color-white);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 4px var(--color-white);
}

.timeline__content {
    background: var(--color-white);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.timeline__content h3 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--color-primary-800);
}

.timeline__content h3 span {
    font-weight: 400;
    font-size: var(--text-base);
    color: var(--color-gray-500);
}

.timeline__content > p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-4);
}

.timeline__deliverables {
    padding-left: var(--space-5);
}

.timeline__deliverables li {
    position: relative;
    padding-left: var(--space-4);
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.timeline__deliverables li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-teal-500);
}

/* ============================================
   Resources
   ============================================ */
.resources-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    max-width: 800px;
    margin: 0 auto;
}

@media (min-width: 640px) {
    .resources-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.resource-card {
    padding: var(--space-8);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.resource-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.resource-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-5);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--color-white);
}

.resource-card h3 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.resource-card p {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-6);
    line-height: 1.6;
}

.resources__privacy {
    text-align: center;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
    margin-top: var(--space-8);
}

/* ============================================
   Principles / Trust
   ============================================ */
.principles-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .principles-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.principle {
    text-align: center;
    padding: var(--space-6);
}

.principle__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 96px;
    height: 96px;
    margin: 0 auto var(--space-5);
    background: linear-gradient(135deg, var(--color-primary-100) 0%, var(--color-teal-300) 100%);
    color: var(--color-primary-700);
    border-radius: 50%;
}

.principle h3 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-primary-800);
}

.principle h3 span {
    display: block;
    font-size: var(--text-sm);
    font-weight: 400;
    color: var(--color-gray-500);
    margin-top: var(--space-1);
}

.principle p {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* ============================================
   Contact Form
   ============================================ */
.contact-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
    max-width: 600px;
    margin: 0 auto;
    padding: var(--space-8);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
}

@media (min-width: 640px) {
    .contact-form {
        grid-template-columns: repeat(2, 1fr);
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group--full {
    grid-column: 1 / -1;
}

.form-group label {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-primary-200);
}

.form-group .optional {
    font-weight: 400;
    color: var(--color-primary-400);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-3) var(--space-4);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-primary-400);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-teal-400);
    background: rgba(255, 255, 255, 0.15);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23b5c9e0' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: var(--space-10);
}

.form-group select option {
    background: var(--color-primary-800);
    color: var(--color-white);
}

.form-actions {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-top: var(--space-4);
}

@media (min-width: 480px) {
    .form-actions {
        flex-direction: row;
        justify-content: center;
    }
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--space-16) 0 var(--space-8);
}

.footer__container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
    margin-bottom: var(--space-10);
}

@media (min-width: 768px) {
    .footer__container {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer__logo {
    margin-bottom: var(--space-4);
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.footer__brand p {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
}

.footer__contact h4,
.footer__links h4 {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.footer__contact p {
    font-size: var(--text-sm);
    margin-bottom: var(--space-2);
}

.footer__links a {
    display: block;
    font-size: var(--text-sm);
    margin-bottom: var(--space-2);
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: var(--color-white);
}

.footer__bottom {
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-gray-800);
    text-align: center;
}

.footer__bottom p {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* ============================================
   Modal
   ============================================ */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.is-open {
    opacity: 1;
    visibility: visible;
}

.modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal__content {
    position: relative;
    max-width: 400px;
    width: 100%;
    padding: var(--space-10);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    text-align: center;
    transform: scale(0.9);
    transition: transform var(--transition-base);
}

.modal.is-open .modal__content {
    transform: scale(1);
}

.modal__close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 32px;
    height: 32px;
    font-size: var(--text-2xl);
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.modal__close:hover {
    color: var(--color-gray-600);
}

.modal__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-5);
    background: var(--color-teal-500);
    color: var(--color-white);
    border-radius: 50%;
}

.modal__content h2 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-primary-800);
}

.modal__content p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-6);
}

.modal__btn {
    min-width: 150px;
}

/* ============================================
   Animations
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animations for grid items */
.services-grid .reveal:nth-child(1) { transition-delay: 0ms; }
.services-grid .reveal:nth-child(2) { transition-delay: 100ms; }
.services-grid .reveal:nth-child(3) { transition-delay: 200ms; }

.benefits .reveal:nth-child(1) { transition-delay: 0ms; }
.benefits .reveal:nth-child(2) { transition-delay: 100ms; }
.benefits .reveal:nth-child(3) { transition-delay: 200ms; }

.principles-grid .reveal:nth-child(1) { transition-delay: 0ms; }
.principles-grid .reveal:nth-child(2) { transition-delay: 100ms; }
.principles-grid .reveal:nth-child(3) { transition-delay: 200ms; }

.timeline__item.reveal:nth-child(1) { transition-delay: 0ms; }
.timeline__item.reveal:nth-child(2) { transition-delay: 100ms; }
.timeline__item.reveal:nth-child(3) { transition-delay: 200ms; }
.timeline__item.reveal:nth-child(4) { transition-delay: 300ms; }

/* ============================================
   Utility
   ============================================ */
@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;
    }
}