/*
Theme Name: Mi Portfolio
Theme URI: https://sergcarch.com
Author: Sergio
Description: Portfolio personal
Version: 1.0
*/

/* ============================================
   PORTFOLIO — CSS
   ============================================ */

/* ---------- VARIABLES ---------- */
:root {
    /* Colors */
    --background: #0a0a0a;
    --surface: #111111;
    --surface-secondary: #1a1a1a;
    --text-primary: #e8e8e8;
    --text-secondary: #a0a0a0;
    --text-muted: #6b6b6b;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --border: #1f1f1f;
    --border-hover: #333333;
    --shadow: rgba(0, 0, 0, 0.3);
    --input-bg: #141414;
    --input-border: #262626;
    --input-focus: #3b82f6;
    --error: #ef4444;
    --success: #22c55e;
    --overlay: rgba(0, 0, 0, 0.85);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.25rem;
    --font-size-6xl: 4rem;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --line-height-tight: 1.1;
    --line-height-snug: 1.25;
    --line-height-normal: 1.6;
    --letter-spacing-tight: -0.03em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.05em;

    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;
    --space-24: 96px;
    --space-32: 128px;

    /* Layout */
    --container-max: 1140px;
    --header-height: 64px;

    /* Transitions */
    --transition-fast: 150ms ease-out;
    --transition-base: 200ms ease-out;
    --transition-slow: 400ms ease-out;
    --transition-section: 600ms ease-out;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

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

input, textarea {
    font: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
}

::selection {
    background-color: var(--accent);
    color: #ffffff;
}

/* ---------- CONTAINER ---------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-6);
    padding-right: var(--space-6);
}

/* ---------- HEADER ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--overlay);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    height: var(--header-height);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

/* Logo */
.logo {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-wide);
    transition: color var(--transition-fast);
}

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

.logo-bracket {
    color: var(--accent);
    font-weight: var(--font-weight-light);
}

/* Desktop Nav */
.desktop-nav {
    display: none;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    padding: var(--space-2) 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent);
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: var(--space-2);
    border-radius: var(--radius-sm);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: var(--space-2);
    z-index: 1001;
}

.hamburger-line {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav */
.mobile-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--overlay);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

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

.mobile-nav-link {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    padding: var(--space-3);
}

.mobile-nav-link:hover,
.mobile-nav-link:focus {
    color: var(--text-primary);
}

.mobile-nav-link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: var(--space-2);
    border-radius: var(--radius-sm);
}

/* ---------- HERO ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    padding-bottom: var(--space-16);
}

.hero-eyebrow {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-regular);
    color: var(--accent);
    margin-bottom: var(--space-4);
    letter-spacing: var(--letter-spacing-wide);
}

.hero-name {
    font-size: clamp(2.5rem, 8vw, var(--font-size-6xl));
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
    margin-bottom: var(--space-6);
    color: var(--text-primary);
}

.hero-name-first,
.hero-name-last {
    display: block;
}

.hero-description {
    font-size: clamp(var(--font-size-base), 1.5vw, var(--font-size-lg));
    color: var(--text-secondary);
    max-width: 600px;
    line-height: var(--line-height-normal);
    margin-bottom: var(--space-10);
}

/* ---------- BUTTONS ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    text-decoration: none;
    line-height: 1;
}

.btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.btn-primary {
    background-color: var(--accent);
    color: #ffffff;
}

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

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
    background-color: var(--surface-secondary);
}

.btn-icon {
    width: 16px;
    height: 16px;
}

/* ---------- SECTIONS ---------- */
.section {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
}

.section-header {
    margin-bottom: var(--space-16);
    display: flex;
    align-items: baseline;
    gap: var(--space-4);
}

.section-number {
    font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-4xl));
    font-weight: var(--font-weight-bold);
    color: var(--accent);
    letter-spacing: var(--letter-spacing-tight);
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
}

.section-title {
    font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-4xl));
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-tight);
    color: var(--text-primary);
}

/* ---------- ABOUT ---------- */
.about-grid {
    display: grid;
    grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
    gap: var(--space-16);
    align-items: start;
}

.about-image-wrapper {
    position: relative;
    background-color: var(--background);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about-image {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background-color: var(--surface);
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.about-text p {
    color: var(--text-secondary);
    line-height: var(--line-height-normal);
    max-width: 620px;
}

/* ---------- SKILLS ---------- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-10);
}

.skill-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.skill-group-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

.skill-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-3);
}

.skill-card {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
    cursor: default;
}

.skill-card:hover {
    border-color: var(--accent);
    background-color: var(--surface-secondary);
}

.skill-logo {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    object-fit: contain;
}

.skill-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.skill-card:hover .skill-name {
    color: var(--text-primary);
}

/* ---------- PORTFOLIO ---------- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.project-card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition-base), transform var(--transition-base);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.project-image-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background-color: var(--surface-secondary);
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:nth-child(3) .project-image {
    object-position: calc(60%) center;
}

.project-card:hover .project-image {
    transform: scale(1.03);
}

.project-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-muted);
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-secondary) 100%);
}

.project-content {
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.project-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.project-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.project-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    white-space: nowrap;
    flex-shrink: 0;
    padding-top: 2px;
}

.project-status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}

.project-status--active .project-status-dot {
    background-color: var(--success);
}

.project-status--active {
    color: var(--success);
}

.project-status--inactive .project-status-dot {
    background-color: var(--text-muted);
}

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

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    margin-bottom: var(--space-4);
}

.project-tag {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--accent);
    background-color: rgba(59, 130, 246, 0.08);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
}

.project-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: var(--line-height-normal);
    margin-bottom: var(--space-5);
    flex: 1;
}

.project-actions {
    display: flex;
    gap: var(--space-4);
}

.project-link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: color var(--transition-fast);
}

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

.project-link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

.project-link-icon {
    width: 14px;
    height: 14px;
}

.project-card--hidden {
    display: none;
}

.portfolio-more {
    display: flex;
    justify-content: center;
    margin-top: var(--space-10);
}

/* ---------- EXPERIENCE / TIMELINE ---------- */
.timeline {
    position: relative;
    padding-left: var(--space-8);
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 7px;
    bottom: 0;
    width: 1px;
    background-color: var(--border);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-12);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: calc(-1 * var(--space-8) + 3px);
    top: 6px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background-color: var(--accent);
    border: 2px solid var(--background);
}

.timeline-period {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--accent);
    letter-spacing: var(--letter-spacing-wide);
    margin-bottom: var(--space-2);
    font-variant-numeric: tabular-nums;
}

.timeline-company {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.timeline-role {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-muted);
    margin-bottom: var(--space-4);
}

.timeline-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: var(--line-height-normal);
    margin-bottom: var(--space-4);
    max-width: 620px;
}

.timeline-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.timeline-tech-tag {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--accent);
    background-color: rgba(59, 130, 246, 0.08);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
}

/* ---------- CONTACT ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

.contact-heading {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-tight);
    margin-bottom: var(--space-5);
    color: var(--text-primary);
}

.contact-text {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: var(--line-height-normal);
    margin-bottom: var(--space-8);
    max-width: 420px;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.contact-link-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
    padding: var(--space-2) 0;
}

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

.contact-link-item:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: var(--space-2);
    border-radius: var(--radius-sm);
}

.contact-link-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ---------- FORM ---------- */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

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

.form-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.form-input:hover {
    border-color: var(--border-hover);
}

.form-input:focus {
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-input.has-error {
    border-color: var(--error);
}

.form-input.has-error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-error {
    font-size: var(--font-size-xs);
    color: var(--error);
    min-height: 1rem;
}

.btn-submit {
    align-self: flex-start;
    position: relative;
    min-height: 42px;
}

.btn-loading {
    display: none;
    align-items: center;
    gap: var(--space-2);
}

.btn-submit.is-loading .btn-text {
    display: none;
}

.btn-submit.is-loading .btn-loading {
    display: inline-flex;
}

.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.form-success {
    font-size: var(--font-size-sm);
    color: var(--success);
    padding: var(--space-4);
    background-color: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: var(--radius-md);
}

.form-success.form-error-message {
    color: var(--error);
    background-color: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.2);
}

/* ---------- FOOTER ---------- */
.site-footer {
    border-top: 1px solid var(--border);
    padding: var(--space-8) 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.footer-logo {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-wide);
    transition: color var(--transition-fast);
}

.footer-logo:hover {
    color: var(--accent);
}

.footer-copy {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.footer-right {
    display: flex;
    align-items: center;
    gap: var(--space-5);
}

.footer-social {
    color: var(--text-muted);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
}

.footer-social svg {
    width: 18px;
    height: 18px;
}

.footer-social:hover {
    color: var(--text-primary);
}

.footer-social:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: var(--space-2);
    border-radius: var(--radius-sm);
}

/* ---------- REVEAL ANIMATION ---------- */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-section), transform var(--transition-section);
}

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

/* Staggered delays for hero */
.hero .reveal:nth-child(1) { transition-delay: 0ms; }
.hero .reveal:nth-child(2) { transition-delay: 100ms; }
.hero .reveal:nth-child(3) { transition-delay: 200ms; }
.hero .reveal:nth-child(4) { transition-delay: 300ms; }

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .project-card:hover {
        transform: none;
    }

    .project-card:hover .project-image {
        transform: none;
    }

    .btn-primary:hover {
        transform: none;
    }

    .spinner {
        animation-duration: 1.2s;
    }
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* --- Tablet (768px+) --- */
@media (min-width: 768px) {
    .container {
        padding-left: var(--space-8);
        padding-right: var(--space-8);
    }

    .section {
        padding-top: var(--space-32);
        padding-bottom: var(--space-32);
    }

    .section-header {
        margin-bottom: var(--space-20);
    }

    .projects-grid {
        gap: var(--space-10);
    }

    .timeline {
        padding-left: var(--space-12);
    }

    .timeline::before {
        left: 11px;
    }

    .timeline-dot {
        left: calc(-1 * var(--space-12) + 7px);
    }
}

/* --- Desktop (1024px+) --- */
@media (min-width: 1024px) {
    :root {
        --header-height: 72px;
    }

    .desktop-nav {
        display: flex;
    }

    .mobile-menu-btn {
        display: none;
    }

    .mobile-nav {
        display: none !important;
    }

    .hero {
        padding-bottom: var(--space-20);
    }

    .section {
        padding-top: var(--space-32);
        padding-bottom: var(--space-32);
    }

    .section-header {
        margin-bottom: var(--space-20);
    }
}

/* --- Large Desktop (1280px+) --- */
@media (min-width: 1280px) {
    .container {
        padding-left: var(--space-12);
        padding-right: var(--space-12);
    }
}

/* --- Mobile (max 767px) --- */
@media (max-width: 767px) {
    .mobile-nav {
        display: flex;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .about-image-wrapper {
        max-width: 360px;
    }

    .skills-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .skill-list {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .footer-inner {
        flex-direction: column;
        gap: var(--space-5);
        text-align: center;
    }

    .footer-left {
        flex-direction: column;
        gap: var(--space-3);
    }

    .hero-name {
        font-size: clamp(2.25rem, 10vw, 3.5rem);
    }

    .section-title {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
    }

    .contact-heading {
        font-size: var(--font-size-2xl);
    }
}

/* --- Small Mobile (max 479px) --- */
@media (max-width: 479px) {
    .container {
        padding-left: var(--space-4);
        padding-right: var(--space-4);
    }

    .section {
        padding-top: var(--space-16);
        padding-bottom: var(--space-16);
    }

    .section-header {
        margin-bottom: var(--space-12);
    }

    .hero-eyebrow {
        font-size: var(--font-size-sm);
    }

    .hero-description {
        font-size: var(--font-size-sm);
    }

    .project-content {
        padding: var(--space-5);
    }

    .project-actions {
        flex-direction: column;
        gap: var(--space-3);
    }

    .mobile-nav-link {
        font-size: var(--font-size-xl);
    }
}